To uniformalize the height of all curtain gathers without entering various factor values required for curtain gathering, by providing a corrector to calculate an expected height of a curtain gather per each curatain gather for wing to output the results to a height controller.
Whenever the refernce cloth holder board returnmoves to the positions part by a pitch between gathers shown in terms of the positions I1-In, the curtain gather 6 with a mountain becomeing a gather height newly calculated, is formed every time. Uniformalizing the gathering height of all curtain gathers 6, by correctiong any sizing error caused per curtain gather forming 6 and by calculating an expected height of curtain gather every time, based on the remained width calculated per curtain gather forming 6, a total number of the curtain gathers 6 on the basis of product Nos., a number of gathered mountains in each of the curtain gathers 6, curatain-finidhed width, and a total number of formed curtain gathers 6, all, but the first item, being read out of the memory of various factor data.
IDA TAKASHI
NOMURA ETSUZO
UCHIYAMA KENJI
