TECHNICAL FIELD OF THE INVENTION

The invention is related with centre hole that is created in the frontal part of the work piece being metal derivative solid that performs machining in good order from work piece with linear rotational motion obtained by ensuring the process of engaging the tip to the hole while the other tip is being fixed to the jig in order to ensure machining over metal derivative solid materials (work pieces) which creates bulk products of parts to be produced on quite a few industry like automotive and machinery.

In particular, the invention is related with machine used to perforate centre hole on frontal part of the work piece by centre drill rotating with a wheeling gotten from electrical motor by manually cranking up x-axis motion mechanism in the direction of x-axis after fixing by arranging centre drill engaged to wain connected the base frame through the instrumentality of y-axis motion mechanism and z-axis motion mechanism according to the center of the centre hole (center or eccentric) to be created on work piece which is being sawed on circular sawing machines and bandsawing machines engaged in the form of ground levelled thereby adjustment of height from bearings arranged to be hit to the frontal part of circular sawing machines and bandsawing machines; consequently enhanced for decreasing process numbers and reducing prime costs in parallel with this, for suppressing the necessary of second process for perforating external centre hole on turning lathe by creating during cut-to-length process of solid formed circular or polygonal edged work piece that has dia/thickness measure up to 10 mm on circular sawing machine and bandsawing machine that the centre hole created in the frontal part of the work piece is metal derivative solid that performs machining in good order from work piece with linear rotational motion is obtained by performing the process of engaging the tip to the hole while the other tip was fixed to the jig in order to machining over metal derivative solid materials (work pieces) which creates bulk products of parts to be produced on quite a few industry like automotive and machinery. PRIOR ART

Nowadays, turning lathes are used for machining over metal derivative circular or polygonal edged solid materials (work pieces) which creates bulk products of parts to be produced on quite a few industries like automotive and machinery.

Solid metal derivative material is sawed on bandsawing machine by procuring in the form or long rods before executing the process of machining over work pieces on turning lathes. Inherently, bandsawing machine performs the process of cut-to-length of the work pieces for a long time. This circumstance increases the stint of piece sawing. High speed circular sawing machines had been developed depending on developing technology on the process of sawing work pieces in order to decrease the process stint, hence decrease costs into the minimum level.

Each work piece that are being performed process of sawing on high speed circular and band sawing machines are fixed to jig so as to metal removing (machining). Work piece must be engaged between lathe chuck and centre hole so as to rotate linearly and metals to be removed sleekly.

Centre hole must be perforated on frontal part of one tip of work piece in order to work pieces to be engaged between chuck and centre on lathe. In this process, rotation of chuck i.e. work piece is ensured thereby each work piece which were performed process of cut-to-length on high speed circular and band sawing machines. While one tip of long pieces are engaged to chuck, work pieces are being rotated thereby other tip are engaged to palier on skidder. Afterwards centre hole is perforated on the frontal part of work piece by means of center drill engaged to tailstock mounted on lathe bed.

A number of problems were detected on perforating centre hole on frontal part of work pieces as mentioned. These cause; requirement of various lifting means impending hoist and crane for process such lifting to lathe of chuck and mounting on chuck at big dia/thickness edged work pieces due to the weightage of material, loss of labor, time and cost increases corresponding thereof, whereas excess of process occur during long work pieces are engaged between chuck and inboard bearing, loss of labor, time and cost increases corresponding thereof at having so much the more a large number of batch production procedure for the condition stated above,

- despite the fact that no requirement of lifting means at small dia/thickness edged work pieces; loss of labor, time and cost increases corresponding thereof at having so much the more a large number of batch production procedure.

In the prior art even on sawing process of circular tube materials apart from solid materials, pieces are sawed on high speed circular sawing machines and band sawing machines. In production phase of tube material wall thickness couldn’t produced at same thickness every time. This causes redundant machining whereas exact centring couldn’t be ensured in the process of inner or outer diameter turning of work piece originating from tube material in the process of engaging tube material to lathe chuck.

In addition, the work pieces originating from tube material cannot be engaged properly to the chuck due to sawing burrs at the ends of work pieces after the process of sawing. In order to eliminate this negativity, an external process is carried out on the end parts of the work piece originating the tube material and the specified burrs are deburred and the work piece is ensured to be engaged to lathe chuck. Since this period increases the number of operations; it causes the increase of costs as well as production, equipment, time and all costs corresponding thereof.

As a result, it is necessary to develop in the related technical field due to the negativities told above in the state of the art.

OBJECT OF THE INVENTION

Due to drawbacks in the prior art, the invention aims to solve all the problems described.

The object of the invention is to ensure the creation of machine used to perforate centre hole on frontal part of the work piece by centre drill rotating with a wheeling gotten from electrical motor by manually cranking up x-axis motion mechanism in the direction of x- axis after fixing by arranging centre drill engaged to wain connected the base frame through the instrumentality of y-axis motion mechanism and z-axis motion mechanism according to the center of the centre hole (center or eccentric) to be created on work piece which is being sawed on circular sawing machines and bandsawing machines engaged in the form of ground levelled thereby adjustment of height from bearings arranged to be hit to the frontal part of circular sawing machines and bandsawing machines; consequently enhanced for decreasing process numbers and reducing prime costs in parallel with this, for suppressing the necessary of second process for perforating external centre hole on turning lathe by creating during cut-to-length process of solid formed circular or polygonal edged work piece that has dia/thickness measure up to 10 mm on circular sawing machine and bandsawing machine that the centre hole created in the frontal part of the work piece is metal derivative solid that performs machining in good order from work piece with linear rotational motion is obtained by performing the process of engaging the tip to the hole while the other tip was fixed to the jig in order to machining over metal derivative solid materials (work pieces) which creates bulk products of parts to be produced on quite a few industry as good as automotive and machinery.

Another object of the invention is to ensure usage of chuck bearing in order to iron out vibrations that may be originated on work piece on the process of centre hole centering on work pieces with dia/thickness edge between 10-60 mm. On work pieces having up to 60 mm dia/thickness edge while process of sawing is proceeding in as much as vibration will not occur on process of centre hole perforation, there’s no need to usage of chuck.

Another object of the invention is to enable the connection of a cutter or countersink to be prepared instead of the center drill on the machine used in the center of the work piece opening with the center drill which is rotated by the electric motor. In this way, after sawing the hollow tube materials in the high speed circular/band sawing machine, the burrs occurred in the end part of the work piece from the tube material are removed from the work piece from the tube material with different wall thickness and the wall thickness is brought to the same level. Therefore, since the difference of the wall thickness is eliminated with external deburring by ensuring proper contact of the work piece to the lathe chuck, the removal of the excess material from the tube material in the hole/external diameter turning of the work piece is eliminated. Using the specified cutter or countersink drill, process of removing the burrs that occurs on the outer diameter of the frontal part of the work pieces during sawing can also be performed. During the process of cut-to-length of work pieces with big/small dia/thickness edge on high speed circular sawing machine and band sawing machine, by means of machine used for centre hole perforation on frontal part of the work piece; since centre hole is perforated on frontal part of the work piece during the process of cut- to-length; process of machining is being started by engaging work piece directly on lathe between chuck and centre,

- whereas there is no need a process of perforating external centre hole on the frontal part of the work piece; labor, time and other costs corresponding thereof which are occurred with usage of lifting devices such as external hoists and crane in order to engaging of work pieces with large dia/thickness are eliminated, hence cost advantage in mass production is ensured,

- whereas there is no need a process of perforating external centre hole on the frontal part of the work piece on turning lathe; labor, time and other costs corresponding thereof which are occurred with perforation of centre hole on work pieces with small dia/thickness are eliminated, hence cost advantage in mass production is ensured,

- since there is no need a process of perforating external centre hole on the frontal part of the long work piece on turning lathe by taking it between chuck and bearing; labor, time and other costs corresponding thereof which are occurred with perforation of centre hole on frontal part of the long work pieces are eliminated, hence cost advantage in mass production is ensured,

DESCRIPTION OF THE DRAWINGS

Figure-1 ; is representative perspective illustration of machine of the present invention that is located in front of the band sawing machine is used to perforate centre hole on frontal part of solid formed work pieces with big/small dia/thickness edge during the process of sawing on band sawing machine, Figure-2; is representative perspective illustration of machine of the present invention that is located in front of the band sawing machine is used to perforate centre hole on frontal part of solid formed work pieces with big/small dia/thickness edge during the process of sawing on band sawing machine,

Figure-3; is representative perspective illustration of machine of the present invention that is located in front of the band sawing machine is used to perforate centre hole on frontal part of solid formed work pieces with big/small dia/thickness edge during the process of sawing on band sawing machine,

Figure-4; is general and detailed representative perspective illustration of base frame appurtenant to machine of the present invention,

Figure-5; is representative and cross-sectional illustrations of mounted perforation mechanism appurtenant to machine of the present invention,

Figure-6; is representative perspective and cross-sectional representative illustrations of chuck engaged perforation mechanism appurtenant to machine of the present invention,

Figure-7; is a representative perspective illustration from a different viewpoint of x-axis motion mechanism appurtenant to machine of the present invention,

Figure-8; is a representative perspective illustration of y-axis motion mechanism appurtenant to machine of the present invention,

Figure-9; is representative and cross-sectional illustrations of y-axis fastening mechanism appurtenant to y-axis motion mechanism located in the machine of the present invention,

Figure- 10; is representative perspective and cross-sectional illustrations of motion mechanism appurtenant to machine of the present invention,

Figure-11 ; is representative laterally and overhead-sectional illustrations of z-axis fastening mechanism appurtenant to z-axis motion mechanism located in the machine of the present invention, Figure 12; is representative perspective detailed illustration of centre hole centering process perforated on work piece with dia/thickness edge between 10-60 mm.

Figure 13 is representative perspective detailed illustration of centering element discarded from chuck after centering process perforated on work piece with dia/thickness edge between 10-60 mm.

Figure 14; is representative perspective detailed illustration of centre hole perforating process on work piece with dia/thickness edge between 10-60 mm.

Figure 15; is representative perspective detailed illustration of centre hole perforating process on work piece with dia/thickness edge up to 60 mm.

REFERENCE NUMBERS

A. Machine

B. Sawing machine

P. Work piece

P1. Centre hole

100. Base frame

101. Calibrated bearing

102. Cover plate

110. X-axis slide trunk

200. Wain

201. Trunk

202. Y-axis slide shafts

203. Y-axis slide seats

204. Z-axis slide shafts

205. Z-axis slide seats

206. Upper table

210. Perforation mechanism

211. Lamp

211.1. Rear cover

211.2. Bearing

211.3. Felt 212. Mandrel

212.1. Forceps

212.2. Center drill

213. Electrical motor

214. Timing belt pulley

215. Timing belt

axis motion mechanism

221. X-axis linear slides

222. X-axis linear seats

223. X-axis rack gear

224. X-axis pinion gear

225. Main shaft

226. X-axis starting lever

227. Servo motor

228. X-axis timing belt pulley

229. X-axis timing belt

axis motion mechanism

231. Y-axis mechanism trunk

231.1. Upper cover

232. Y-axis ball screw

233. Y-axis starting lever

234. Y-axis ball nut

235. Y-axis ball screw check

236. Y-axis fastening mechanism

236.1. Y-axis fastening shoe

236.2. Y-axis fastening bolt

236.3. Y-axis fastening leveraxis motion mechanism

241. Z-axis mechanism trunk

241.1. Engine mounting

241.2. Mandrel mounting

242. Z-axis ball screw

243. Z-axis starting lever

244. Y-axis ball nut

245. Z-axis ball screw check 246. Z-axis fastening mechanism

246.1. Z-axis fastening shoe

246.2. Z-axis clamping piece

246.3. Z-axis fastening bolt

246.4. Z-axis fastening lever

250. Chuck

251. Collet

252. Flange

253. Back board

254. Bearing counterfort

255. Switch connector

256. Switch

257. Centering element

300. Control Unit

DETAILED DISCLOSURE OF THE INVENTION

Process of perforating centre hole (P1) on frontal part of the solid work piece (P) on band sawing machine (B) during the process of cut-to-length is described in this detailed disclosure and drawings that corroborate description. The saw (B) that executes process of sawing of work piece (P) can be high speed circular saw or band saw or can be all saws (B) developed upon today’s technology. Thus, the machine (A) is used to perforate centre hole (P1) in the frontal part of the work pieces (P) during the sawing process in all the saws (B) which perform all kinds of sawing operations. In accordance with these disclosures, the machine (A) according to the invention should not be limited to the band saw (B) specified in the detailed description and figures.

In Figure-1 , there is representative perspective illustration of machine (A) of the present invention which is located on ground the way that is hit in front of saw (B) ensured process of perforating centre hole (P1) created in the frontal part of the work piece with dia/thickness edge up to 10 mm that performs machining in good order from work piece with linear rotational motion is obtained by ensuring the process of engaging the tip to the hole while the other tip was fixed to the jig in order to machining over metal derivative solid materials (work pieces) which creates bulk products of parts to be produced on quite a few industry as good as automotive and machinery. As seen on Figures 1 , 2 and 3, while process of cut-to-length of metal derivative work pieces (P) with dia/thickness up to 10 m on sawing machine (B) is performed, machine (A) of the invention developed to perform process of centre hole (P1) perforation; consists core elements of base frame (100), wain (200) and control unit (300).

As seen on Figure 4, whether base frame (100) was preferably constituted from tetragon sectional material, it has;

- calibrated bearings (101) ensured to be located with levelling to ground by performing height adjustment of machine (A) on its lower section,

- cover plate (102) formed with covering its lateral and rear parts,

- x-axis slide trucks (110) ensured wain (200) to be located on its upper section.

As seen on Figures 2 and 3, wain (200) which is located on base frame (100) consists of;

- trunk (201) ensures connection of all elements belong to wain (200),

- y-axis slide seats (203) engaged on y-axis slide shafts (202) engaging on trunk (201) at the position of y-axis position,

- the upper table (206) connected to the top of the trunk (201) by means of z-axis slide seats (205) connected to the z-axis slide shafts (204), perforation mechanism (210) performs process of centre hole perforation,

- x-axis motion mechanism (220) in which the manual movement of perforation mechanism (210) by extension the manual movement of wain (200) is ensured in the direction of x-axis,

- y-axis motion mechanism (230) in which the manual movement of perforation mechanism (210) on wain (200) is ensured in the direction of y-axis,

- z-axis motion mechanism (240) in which the manual movement of perforation mechanism (210) on wain (200) is ensured in the direction of z-axis, - when the work pieces (P) having a dia/thickness edge between 10 and 60 m are sawing on the saw (B), they consist of a chuck (250) engaged to the perforation mechanism (210) which is used to eliminate the effect of vibration occurred on perforating centre hole (P1).

As seen on Figure 5, perforation mechanism (210) appurtenant to machine (A) of the invention has;

- the rear cover (211.1) fastened to the rear portion of the z-axis moving mechanism (240) fixedly engaged, the bearing (211.2) engaged into both tip parts and lamp (211) having felt (211.3) engaged both tip parts ensures bearings (211.2) to be protected from negative facts such as dust and shavings,

- center drill (212.2) engaged to forceps (212.1) located on tip part of mandrel (212) engaging to lamp (211) by means of being screwed to bearings (211.2) located on its inner part,

- electrical motor (213) ensures rotation movement of mandrel (212) located into inner part of lamp (211) by means of bearings (211.2) thereby conveying rotational motion by means of timing belt (215) located on timing belt pulley (214) engaged to itself with rear part of the mandrel (212), by extension ensures rotation movement of center drill (212.2).

As seen on Figure-7, x-axis motion mechanism (220) which ensures perforation of centre hole (P1) on frontal part of work piece (P) by moving the perforation mechanism (210) appurtenant to machine (A) of the present invention in the direction of x-axis has;

- x-axis linear slides (221) having x-axis linear seats on it engaging reciprocatively to upper part of x-axis slide trunks (110) engaged on base frame (100),

- x-axis rack gear (223) engaging reciprocatively to upper part of x-axis slide trunks (110) engaged on base frame (100), x-axis pinion gears (224) ensures moving of wain (200) in the direction of x-axis by serving on both x-axis rack gear (223), main shaft (225) which is engaged to rear part of trunk (201) belonging to wain (200) ensures locating of x-axis pinion gears (224) hit on x-axis rack gear (223),

- x-axis starting lever (226) ensures movement of x-axis motion mechanism (220) by user manually thereby being engaged to the tip part of main shaft (225).

Except manual usage, servo motor (227) can be used by means of x-axis timing belt (229) located on x-axis timing belt pulley (228) engaged to itself and main shaft (225) ensures movement of wain (200) by extension the movement of perforation mechanism (210) in the direction of x-axis by automatically powering up x-axis motion mechanism (220) as stated above. Servo motor (227) is disabled in manual usage.

As seen on Figure-8, y-axis motion mechanism (230) which performs process of centering of centering drill (212.2) on the direction of y-axis that will ensure perforation of centre hole (P1) on frontal part of work piece (P) by means of moving the perforation mechanism (210) appurtenant to machine (A) of the present invention in the direction of y-axis has;

- y-axis mechanism trunk (231) having upper cover (231.31) on its upper part engaging to y-axis slide seats (203) was engaged in motion on y-axis slide shafts (202) fastened on trunk (201) appurtenant to wain (200),

- y-axis ball screw (232) ensuring the y-axis mechanism trunk (231) being moved manually on y-axis slide shafts (202) intra-trunk (201),

- y-axis starting lever (233) which was engaged to tip part of y-axis ball screw (232) engages y-axis ball screw (232) to be moved manually by user,

- y-axis ball nut (234) which y-axis ball screw (232) is stuck, was engaged fixedly to frontal part of trunk (201), y-axis ball screw check (235) which tip part of y-axis ball screw (232) is engaged, engaging fixedly to frontal part of y-axis mechanism trunk (231), y-axis fastening mechanism (236) consists of y-axis fastening shoe (236.1), y-axis fastening bolt (236.2) and y-axis fastening lever (236.3) ensuring process of fastening of centre hole (P1) centering performed by being moved with y-axis motion mechanism (230) in the direction of y-axis to be carried out in the direction of y-axis.

As seen on Figures 8-9, z-axis motion mechanism (240) which performs process of centering of centering drill (212.2) on the direction of z-axis that will ensure perforation of centre hole (P1) on frontal part of work piece (P) by means of moving the perforation mechanism (210) appurtenant to machine (A) of the present invention in the direction of z- axis has;

- z-axis mechanism trunk (241) having engine mounting (241.1) and mandrel mounting (241.2) engaged to z-axis slide shafts (205) moving on z-axis slide shafts (204) between upper cover (231.1) and upper table (206) appurtenant to y- axis motion mechanism (230) located on trunk (201),

- z-axis ball screw (242) ensuring the z-axis mechanism trunk (241) being moved manually on z-axis slide shafts (204),

- z-axis starting lever (243) which was engaged to tip part of z-axis ball screw (242) engages z-axis ball screw (242) to be moved manually by user,

- z-axis ball nut (244) which z-axis ball screw (242) is stuck, was engaged fixedly to upper table (206),

- z-axis ball screw check (245) which tip part of z-axis ball screw (242) is engaged, engaging fixedly to upper part of z-axis mechanism trunk (241),

- z-axis fastening mechanism (246) consists of z-axis clamping piece (246.1), z-axis fastening shoe (246.2), z-axis fastening bolt (246.3) and z-axis fastening lever (246.4) ensuring process of fastening of centre hole (P1) centering performed by being moved with z-axis motion mechanism (240) in the direction of z-axis to be carried out in the direction of z-axis.

As seen on Figure-6, chuck had been fastened on wain (200) as its center to be collinear with perforation mechanism (210) in order not to be affected from vibration occurring while work pieces (P) with dia/thickness between 10-60 mm is sawed with machine (A) of the invention on drilling machine (B) and perforated centre hole (P1). Specified chuck (250) has; collet (251) and flange (252) was engaged to lamp (211), backboard (253) existing back part of the chuck (250) and ensuring engage of chuck (250) to the flange (252), bearing counterforts (254) which can be used as three or four pieces contacting partaken bearings on them during work pieces are moved across sawing machine (B) in order to be sawed without arranging separately for each work piece (P), ensuring work piece (P) being kept fixedly by contacting outer surface of work piece (P) during perforating mechanism (210) is centered to work piece (P), thus eliminating possible vibration during work piece (P) is sawed on sawing machine (B) and perforation of centre hole (P1) with machine (A) of the invention,

- switch connector (255) ensuring arranged bearing counterfort (254) standing stably by eliminating its on/off state with switch (256) ensuring bearing counterfort (254) is manually switched on/off so as to contact to work piece (P) in the directions of x and y axes,

- centering element (257) which is used in centering process of chuck (250), by extension centering process of perforation mechanism so as to perforate centre hole (P1) to work piece (P) with 10-60 mm edged sawing on drilling machine (B), being unmounted from chuck (250) after centering process, having different diameter range upon every of work piece (P),

Base frame (100) is produced in the production process of machine (A) of the invention. X-axis linear slides (221) and x-axis rack gears (223) are fastened on x-axis slide trunk (110) located on base frame (100). Production of wain (200) which consists of trunk (201), perforation mechanism (210), x-axis motion mechanism (230) and z-axis motion mechanism (240) is executed. Afterwards, wain (200) is engaged from its lower section to x-axis linear seats (222) located on x-axis linear slides (221) engaged on base frame (100). At this stage, x-axis pinion gears (224) located on wain (200) had also been engaged separately to x-axis rack gears (223) fastened on base frame (100) Finally, control unit (300) had been mounted to machine (A) by executing production of control unit (300) which ensures operating of electrical motor (213) appurtenant to perforation mechanism located on wain (200) and therewithal servo motor (227) used in case of x- axis motion mechanism (220) is automatic. Process steps of perforating centre hole (P1) with machine (A) of the invention to work pieces (P1) between 10-60 m are illustrated in Figures 12, 13 and 14. Hereunder in the process of centre hole (P1) perforation, centering of perforation mechanism is primarily made up according to the centre hole (P1). In this operation, due to the vibration and flexion will occur in work pieces (P) between 10-60 mm, chuck (250) had been used in the machine (A). User engages centering element (257) having outer diameter compatible with outer diameter of work piece (P). As seen on Figures 7 and 12, user ensures movement of wain (200) towards work piece (P) engaged on drilling machine (B) by revolving x-axis starting lever (226) appurtenant to x-axis motion mechanism (220). In this movement wain (200) is driven with driving of x-axis rack gears over x-axis pinion gears (224) and moving over x-axis linear seats (222) engaging with x-axis linear slides (221). This process proceeds until frontal part of the centering element (257) is ensured to be light contacted with frontal part of the work piece (P).

Perforation mechanism (210) on wain (200) needs to be arranged in the directions of y and z axes in order that outer diameter of work piece (P) is aligned exactly to the bore diameter of centering element (257).

As seen on Figure 8, user revolves y-axis starting lever (233) in the process of arrangement of perforation mechanism (210) by moving in the direction of y-axis. At this stage, y-axis ball screw (232) moves y-axis mechanism trunk (231) by means of y-axis slide shafts (202) on y-axis slide seats (203) at its tip part engaged to itself by means of y-axis ball screw check (235) by rotating on steady y-axis ball nut (234) and arrangement of y-axis is executed.

As seen on Figure 10, user revolves z-axis starting lever (243) in the direction of z-axis in the process of arrangement of perforation mechanism (210) which the movement of it was arranged in the direction of y-axis. With involving of z-axis starting lever (243), z-axis ball screw (242) moves z-axis mechanism trunk (241) by means of z-axis slide shafts (204) on z-axis slide seats (205) at its tip part engaged to itself by means of z-axis ball screw check (245) by rotating on steady z-axis ball nut (244).

After arrangement of perforation mechanism (210) in the directions of y and z axes, user ensures work piece (P) to be settled exactly to the hole in the centering element (257) by approximating wain (200) towards work piece (P) with revolving x-axis starting lever (226). Finally, process of arrangement is executed by means of y-axis fastening mechanism (236) for y-axis and z-axis fastening mechanism (246) for z-axis. As seen on Figure-9, fastening in y-axis is executed with impress of y-axis fastening shoe (236.1) to y-axis slide shafts (202) as a result of y-axis fastening bolt (236.2) to y-axis fastening shoe (236.1) by involving y-axis starting lever (236.3) on y-axis motion mechanism (230) from user in this process.

As shown in Figures 10 and 11 for z-axis fastening process, z-axis fastening shoes

(246.1) are ensured to impress z-axis slide shafts (204) by involving z-axis fastening lever (246.4) from user on z-axis motion mechanism (240) with impress of z-axis clamping piece (246.2) engaged with z-axis fastening bolt (246.3) towards z-axis fastening shoes

(246.1). After the occurring pressure fastening process in z-axis is executed.

Chuck (250) is fastened in the y and z axis controlled by means of the switch (256), so that the bearing counterfort (254) applies light pressure to the work piece (P) from the outer diameter. Switch (256) is fastened thereby being clamped by means of switch connector (255) in order that bearing counterforts (254) are being prevented to be opened/closed.

Hydraulic type chuck (250) can be used instead of using mechanic chuck (250) to eliminate occurrence of vibration and flexion during perforating centre hole (P1) on work pieces (P) having a dia/thickness edge between 10 and 60 mm.

In the process of centering which is performed using centering element (257) in order to perforate centre hole (P1) to frontal part of work piece (P) described above, for work pieces (P) with different dia/thickness, centering element (257) having compatible hollow/hole in dia/thickness edge must be used.

As illustrated in Figure 13, perforation motion mechanism (210) which centering process is executed, by extension wain (200) is moved rearward on x-axis motion mechanism (220) and centering element is detached from chuck (250). As seen on Figure-14, arranged wain (200) is approximated to work piece (P) with controlling x-axis motion mechanism (220) by user during sawing machine (B) saws work piece (P). At this stage, electrical motor (213) controlling from control unit (300) is operated thereby, perforation mechanism (210) appurtenant mandrel (212) and center drill (212.2) engaged to forceps (212.1) on tip part of mandrel (212) rotate and centre hole (P1) is perforated on work piece (P1) as seen on Figure 1. After the centre hole (P1) is perforated, the x-axis motion mechanism (220) is retracted to allow the sawing machine (B) to saw a new work piece (P).

After the perforation of the work piece (P) is completed, the belt is positioned on the lower part of the base frame (100) and falls on the wain (200) with an external container. Afterwards, the next work piece (P) is driven at length margin by the drive mechanism of sawing machine (B) and sawing operation proceeds. While the cutting process is in progress, perforation of the centre hole (P1) is performed on the frontal part of the work piece (P) by repeating the above-mentioned operations with the machine (A) of the invention.

If the work piece (P) to be opened has a dia/thickness edge up to 60 mm, there is no need to use the chuck (250), whereas sawing off the work piece (P) and perforation of the centre hole (P1) is not exposed to vibration in any way. In this process, as mentioned above, the work piece (P) is arranged in the direction of the x-axis and the fastening is performed by adjusting the perforation mechanism (210) in the direction of y and z axis and the centre hole (P1) is perforated during sawing off the work piece (P) in the sawing machine (B).

Work piece (P) with perforated centre hole (P1) and sawed on drilling machine (B) fall into wain (200) having external container located on lower part of base frame (100). Process of perforating centre hole (P1) to the frontal part of the work piece (P) is carried out by means of the machine (A) of the invention, allowing the drive of the sawing machine (B) to be driven to the height of the next work piece (P).

The center drill (212.2) used to perforate centre hole (P1) of work pieces (P) between IQ- 60 mm and up to 60 mm in size can vary depending on the size of the work piece (P). In this process, the center drill (212.2) may be replaced by extracting from the forceps (212.1) of the perforation mechanism (210).

With the machine (A) of the invention, it is possible to perforate centre hole (P1) in the center or eccentric of the work pieces (P). In the work piece (P), the centre hole (P1) is carried out in the perforation process by adjusting the perforation mechanism (210) by moving it with the y and z-axis motion mechanism (230-240) as described above.

With the machine (A) of the invention, the centre hole (P1) can be perforated to the frontal part of all work pieces (P) of solid metal structure with round or polygonal cross-section.

From the hollow tube material by connecting a cutter or countersink drill to be prepared instead of the center drill (212.2) on the machine (A) used to perforate centre hole (P1) on frontal part of the work piece (P) with center drill (212.2) rotating by the electrical motor (213) after sawing the work pieces (P) in the high speed circular sawing machine or band sawing machine (B), the burrs are formed at the end of the work piece (P) from the tube material and at the same time, by performing metal removing (machining) from the work piece (P), is being introduced. Therefore, the difference of the wall thickness is eliminated with external deburring, proper contact of the work piece (P) to the lathe chuck is ensured, and the removal of the excess material from the tube material in the hole/external diameter turning of the work piece (P) is eliminated. Instead of the centre drill (212.2), using the cutter or countersink drill, it is ensured that the solid work pieces (P) are removed from the burrs formed at the outer diameter of the frontal part, thus eliminating a second operation.

With machine (A) of the invention;

- Circular seats and slides can be used instead of x-axis linear slides (221) and x- axis linear seats (222) that used in x-axis motion mechanism (220). Likewise, motion conduit can be performed with worm screw and nut instead of x-axis rack gear (223) and x-axis pinion gear (224).

Linear slides and seats can be used instead of y-axis slide shafts (202), y-axis slide seats (203), z-axis slide shafts (204) and z-axis slide seats (205) used in z- axis motion mechanism (230) and z-axis motion mechanism (240). Likewise, motion can be ensured with rack gear and pinion gear instead of y and z axes ball screws (232-242).