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手风琴昔簧座板是铅质材料(A116)上面刻有拉丁音名字头,如:A、~#A、B、C、~#C、D~#D、E、F、~#F、G、~#G等十二个音号,便于分音装配及修换之用。这是生产工艺必要的一道工序。过去,音簧座板是用小手锤人工击打,后期改为手动压力。按原产量计算,一人冲压效率低,而且位置、深浅印痕在质量上也不稳定。一九六八年我们去上海参观之后,在上海的原有基础上,利用一些废旧铁件加以改进,
The accordion spring seat plate is a Latin material name engraved on the lead material (A116), such as A, ~ # A, B, C, ~ # C, D ~ # D, E, F, ~ # F, G , ~ # G, such as the twelve tone, easy to divide assembly and repair purposes. This is a process necessary for the production process. In the past, the spring leaf seat plate was manually hit with a small hammer, post-manual pressure. According to the original production, one stamping low efficiency, and the location, the depth of imprint in the quality is not stable. After we visited Shanghai in 1968, on the basis of Shanghai’s original condition, we made improvements through the use of scrap iron pieces,