To provide a lamp manufacturing device which enables each of processing devices in various processes to perform a precise synchronous operation in manufacturing lamps and can suppress an increase in cost.

The lamp manufacturing device 100 includes processing devices such as a sealing device 41 or the like, a master 31 and a transmission path 33. The master 31 includes a reference phase angle generation means 51 and a pulse signal generation means 52, and generates a reference phase angle to output a pulse signal corresponding to the reference phase angle to a slave 32. The pulse signal is applied to a preset particular pulse train to be output. The slave 32 includes a reference phase angle recovering means 53, an acceleration/deceleration signal outputting means 54 and an inverter 55, wherein the reference phase angle recovering means 53 recovers a reference phase angle from a reference pulse train comprising input pulse signals. Based on the recovered reference phase angle and the phase angle of the machine shaft of a motor 56 or the like, the acceleration/deceleration signal is output to the inverter 55 to control the machine shaft of the motor 56.

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