五金太倉沖壓件挑選合適噸位設備需求了解什么？

五金沖壓件模具生產需求靠沖床（壓力機）來提供動力，不同的沖壓件模具巨細及結構類型需求挑選不同的沖床與之匹配。合理挑選沖床能降低成本、節約資源，這是沖壓人需求了解的基本理論常識之一。

五金沖(chong)(chong)(chong)(chong)壓(ya)(ya)件模(mo)具挑選沖(chong)(chong)(chong)(chong)床(chuang)的(de)主(zhu)要(yao)(yao)標準是(shi)以(yi)噸位(wei)的(de)巨(ju)細來衡(heng)量(liang)，通(tong)常(chang)通(tong)過模(mo)具的(de)沖(chong)(chong)(chong)(chong)裁(cai)(cai)力、成型力、壓(ya)(ya)料(liao)力、脫(tuo)料(liao)力等(deng)總(zong)和得出(chu)。其(qi)中(zhong)主(zhu)要(yao)(yao)以(yi)沖(chong)(chong)(chong)(chong)裁(cai)(cai)力為主(zhu)。沖(chong)(chong)(chong)(chong)裁(cai)(cai)力并不是(shi)固(gu)定不變(bian)，在(zai)一(yi)次沖(chong)(chong)(chong)(chong)壓(ya)(ya)過程(cheng)中(zhong)其(qi)力的(de)變(bian)化如下：當沖(chong)(chong)(chong)(chong)頭(tou)開始(shi)接觸沖(chong)(chong)(chong)(chong)壓(ya)(ya)產(chan)品時(shi)，沖(chong)(chong)(chong)(chong)裁(cai)(cai)力一(yi)直處于增大狀況。當沖(chong)(chong)(chong)(chong)頭(tou)沖(chong)(chong)(chong)(chong)入產(chan)品料(liao)厚約1/3處時(shi)，沖(chong)(chong)(chong)(chong)裁(cai)(cai)力達到最大值。而(er)后因(yin)為資料(liao)斷裂帶的(de)出(chu)現，力會逐步減少。因(yin)而(er)，沖(chong)(chong)(chong)(chong)裁(cai)(cai)力的(de)核(he)算(suan)(suan)，算(suan)(suan)出(chu)最大沖(chong)(chong)(chong)(chong)裁(cai)(cai)力即(ji)可(ke)。

沖裁力(li)的核算

一般類(lei)沖(chong)(chong)壓(ya)件沖(chong)(chong)裁(cai)力的(de)核算公式：P=L*t*KS Kg（注: P為(wei)沖(chong)(chong)裁(cai)所需的(de)力，單位為(wei)Kg；L為(wei)沖(chong)(chong)裁(cai)產品總概括周長，單位mm； t為(wei)料(liao)厚，單位mm；KS為(wei)資料(liao)的(de)剪(jian)切強度，單位為(wei)Kg/mm2）

一般(ban)情況(kuang)下，當五金(jin)沖(chong)壓件(jian)原(yuan)料為軟鋼時(shi),資料抗(kang)剪強度(du)具體數(shu)值(zhi)如下：KS = 35kg / mm2

舉例說明一下：假設五金(jin)沖(chong)壓件資料(liao)厚度t=1.2，原(yuan)料(liao)為(wei)軟鋼(gang)板，產品需求沖(chong)切(qie)外形(xing)為(wei)500mmx700mm的長方(fang)板，其沖(chong)裁(cai)力巨細(xi)是多少?

依據核算公式：P=L×t×Ks

L=(500+700)×2=2400

t=1.2 , Ks=35Kg/mm2

因而, P=2400×1.2×35=100800Kg = 100T

而(er)(er)噸(dun)(dun)位挑(tiao)選時需求(qiu)預加20~30%，因而(er)(er)，噸(dun)(dun)位核算為120  ~130噸(dun)(dun)左右。

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