91色综合综合热五月激情,无码专区国产精品第一页,亚洲综合久久一本伊一区,欧美色视频国产一下

 
Welcome to yingkou hongyuan metal packaging manufacturing equipment co., LTD. Official website!?
Tel:0417-7690010
  News
?ABOUT US
Stamping die design considerations are what
Source: | Author:hongyuanjinshu | Published time: 2018-10-24 | 1100 Views | Share:
Pressing special dimension hole should pay attention to

(1) for punches within the minimum hole diameter of 0.8 -- 1.6, please use a special punch.

(2) when punching thick plate, please use a larger mold relative to the machining aperture. Note: at this time, the use of the usual size of the mold, the punch thread will be damaged.

(3) for the cutting edge of punch, the ratio of the minimum width to the length shall not be less than 1:10 in general.

(4) the relationship between the minimum size of the cutting edge of the punch and the thickness of the plate. It is suggested that the minimum size of the cutting edge of punch should be 2 times the thickness of the plate.



Yingkou hongyuan metal co., LTD., yingkou high speed littering machine, yingkou aluminum cover second drawing machine, yingkou aluminum cover high speed knapping machine, yingkou aluminum cover first automatic feeding and oiling punching machine
主站蜘蛛池模板: 灵武市| 临颍县| 图木舒克市| 辛集市| 炉霍县| 金门县| 淮阳县| 新沂市| 甘肃省| 汉寿县| 海安县| 神木县| 利辛县| 安龙县| 平定县| 辉县市| 巴马| 镇江市| 延川县| 汾西县| 舞钢市| 盐津县| 成安县| 文安县| 颍上县| 凤冈县| 会宁县| 南京市| 宣城市| 怀远县| 陆丰市| 新宁县| 华坪县| 罗定市| 中方县| 友谊县| 宁阳县| 高密市| 麻城市| 襄樊市| 临湘市|