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injection molding machine 锁模 how to 设置 low pressure 保护
injection molding mold 保护 意义: is in production process in is setting, for mold 起保护 function, anti mold due to causes, pressure to material and other causes formed for mold loss 害.
mold 保护 行 is: is in setting mold low pressure 保护时, need 明白保护哪里? is use low pressure 保护, is in pressure to material 时会报警 and loss bad mold.
specific method lower:
1, need 确定保护 mold what 部位? in 子, 抽芯, 入子, slip block, 斜销, 模仁, and other and other.
2, rear again 决 定 need setting low pressure 保护 经 距离, make need 保护 部 parts versus 互接触 位置一定 need in setting low pressure 保护 经 距离之 inner, this setting low pressure 保护才会 in machine 监视范畴之 inner. 例如动模 and 定模 接触位置 in clamping process 30mm处, 我们跟据会发生危险 情况 low pressure 保护位置定 in 32mm处, this mold combined to 32mm处 is 就开始进入 low pressure 保护位置, 就处于 has 效 监视之 inner.
3, clamping speed degree, speed degree is comparison important parameters, can fast, can 而止, fast generate 一定 惯 property, speed degree slow speed is good, generally need ultra- 15%, speed degree 决定以 rear, need more 改.
4, pressure setting, is comparison important, most small pressure make mold rigid good can combined to mold separation type 面接触 is good, decrease small most small mono 位（例如1 pressure mono 位） mold combined to separation type 面接触, pressure as is low pressure most small pressure （完 full can as to 放入一张纸就 can let machine 报警）.
5, separation type 面接触 is new 准, in 此位置 基础 upper add upper 0.1~0.3mm is high pressure 锁模位置. 此0.1~0.3mm（ recommendation value ） is is mold material hot cold shrink. 当然此补尝位置 can setting more small, small can can generate low pressure 保护报警.
说明: setting can can 会以牺牲 cycle is 代价, 各位同仁 can according to specific tool specific setting, above can as is 总 原则. in setting meanwhile need attention/notes mold temperature degree need stability, its is high mold temperature mold hot 膨胀, can can generate temperature 差, effect/influence setting. in low pressure 保护设 定 good rear, 随意变 more low pressure speed degree, can can formed already setting good low pressure pressure large, this is due to property 结果.
