Shanghai Daoqin Plastics Co., Ltd.

        经常会遇 to 客户说你 mold has issues, is mold quality issues, from has use process in has has issues, lower mold in Common issues can solution.

        1.冲头 use front attention/notes

        ①, use dry 净抹布清洁冲头.

        ②, surface is has 刮, 凹痕. has, use remove.

        ③, and upper anti 锈.

        ④, 安装冲头时 small can has 任何倾斜, can use nylon type soft material tool it light light positive, has in positive 确定位 rear can 旋紧螺栓.

        2.冲模 安装 and debugging

        安装 and 调校冲模必 must especially fine 心. is especially large in type 冲模, not only high 昂, but also weight large micro amount 移动困 difficult, safety 应始终放 in 首位. 无限位 plant/unit in upper lower between add block sheet/plate, in 冲床工 as 台清理 dry rear, will clamping 状态 待试 mold 置于台面 combined 适位置.

        按 process parts and design requirements pressure machine slip block 行程, in mold upper front lower 死点并 large mold combined high degree 10～15mm 位置, adjustment slip block 连杆, mold, ensure for 准模柄孔并达 to combined 适 装模 high degree. generally 冲裁模先 solid lower (不拧紧) rear again solid upper 模(拧紧), pressure sheet/plate T type 螺栓均宜 use combined 适扭矩扳手拧紧(lower 模), ensure same tool has 一致而理想 预 add force. can has anti 止手动拧紧螺纹出现 因体 force, property 别, 手感误差造 formed force large or small, same 螺纹预紧 force and other, from 而引起冲 pressure process in upper lower 模错移, 间隙改变, 啃剥刃口 and other fault/failure 发生.

         mold trial front for mold comprehensive lubricated 并准备 positive production use material, in 空行程启动冲模3～5次确认 mold as positive rear again 试冲. adjustment and control 凸模进入凹模 deep degree, 检查并验证冲模导 toward, material, 推卸, pressure and elastic pressure and other machine and plant/unit property can and as active property, rear 进行适当 adjustment, make to most technology 状态. for large in small type separation 别试冲3, 5, 10 parts 进行停产初检, combined rear again 试冲10, 15, 30 parts 进行复检. 经划线 testing, 冲切面 and 毛刺检验, dimensions and 形位精 degree combined requirements, can production.

        3.冲 pressure 毛刺

        ①, mold large or non-uniform, heavy new adjustment mold 间隙.

        ②, mold and hot 处理不当, generate 凹模倒锥 or 刃口不锋利, combined material selection, mold as separation material use hard alloy, hot methods combined 理. mold micro 信: mujudaren

        ③, pressure abrasion loss, abrasion or parts.

        ④, 凸模进入凹模太 deep, adjustment 凸模进入凹模 deep degree.

        ⑤, toward structure precision or as 不当, mold inner 导柱导 sleeve/set and 冲床导 toward degree, specification 冲床操 as.

        4.跳 waste material

         mold relatively large, relatively short, effect/influence (hard property, property), pressure speed degree high, pressure viscous or 油滴太 fast formed function, pressure generate material dispersion, true 空吸附 and 模芯未充 separation magnetic and other can formed waste belt/tape to upper.

        ①, 刃口 锋利程 degree. 刃口 圆角越 large, easy formed waste material elastic, for/regarding material comparison thin 不锈钢 and other can using/adopting 斜刃口.

        ②, for/regarding comparison waste material, can increase large waste material complex degree or in upper addition polymerization amine ester anti waste material, in 凹模刃口侧 increase 划痕.

        ③, mold is combined 理. combined mold 间隙, easy formed waste material elastic, for/regarding small 直径孔间隙 decrease/reduce 10%, large 于50.00 mm, 间隙放 large.

        ④, increase deep degree. 每 工位 mold pressure 时, modulus requirements is 一定, modulus small, easy formed waste material elastic.

        ⑤, by processing material surface is has 油污.

        ⑥, adjustment pressure speed degree, pressure concentrated degree.

        ⑦, using/adopting true 空吸附.

        ⑧, for 冲头, parts, material 进行退 magnetic 处理.

        5. pressure 伤, 刮伤

        ①, material belt/tape or mold has 油污, waste 屑, pressure 伤, scratch 拭油污并安装自动风枪清 remove waste 屑.

        ②, mold surface light slip, improve/increase mold surface light degree.

        ③, parts surface hardness 不够, surface 需镀铬, carbon, and other 处理.

        ④, material 应变而失稳, decrease/reduce lubricated, increase pressure force, adjustment elastic force.

        ⑤, for waste material mold 进行□□□. mold micro 信: mujudaren

        ⑥, as product to mold or its it formed 刮伤, 需修改 or reduce mold 定位, as 业人员 as light light 放.

        6.工 parts rear outer surface scratch 伤

        ①, Raw Materials surface light slip, 清洁, Raw Materials.

        ②, molding block has waste material, remove block waste 屑

        ③, molding block light slip, will molding block electroplating, light, improve/increase 凸凹模 light degree.

        ④, bending semi 径R太 small, increase large bending semi 径

        ⑤, mold bending 间隙太 small, adjustment upper lower bending combined 间隙.

        ⑥, molding block add 装滚轴 formed 形.

        7.漏冲孔

        出现漏冲孔 情况, generally has 冲头断未发现, rear 漏装冲头, lower and other factors 引起, rear need 进行首 parts 确认, and sample comparison, is has phenomenon, for lower 沉, improvement upper sheet/plate hardness.

        8.脱 material positive 常

        ①, material sheet/plate and 凸模配 combined 紧, material sheet/plate 倾斜, and other high filament high degree 不统一 or its it material parts plant/unit 不当, 应修整脱 material parts, material using/adopting sleeve/set tube/pipe and inner 六角螺钉 versus combined 形式.

        ②, mold 间隙偏 small, in 脱离材 material need very large demolding force, formed by material 咬住, increase lower 模间隙.

        ③, has 倒锥, 修整凹模.

        ④, 凹模落 material and lower base/seat material has for positive, 修整漏 material 孔.

        ⑤, processing material 状态. material 脏污附 to mold upper, make by material 咬住而无 method processing. warpage deformation material in rear, 会夹紧冲头, warpage deformation material, 需弄平整 rear again processing.

        ⑥, 冲头, lower 模 刃口钝化 need and abrasion. 刃口锋利 mold can processing 出漂亮 切断面, 刃口钝, need outer pressure, but also parts coarse 糙, generate very large resistant force, formed by material 咬住.

        ⑦, using/adopting 斜刃口冲头.

        ⑧, amount decrease/reduce abrasion loss, improvement lubricated conditions, lubricated sheet/plate and 冲头.

        ⑨, elastic or elastic force or fatigue loss consumption, and more elastic 簧.

        ⑩, and sleeve/set large, or more 换导柱导 sleeve/set.

        ◎, degree 误差积累, heavy new abrasion assembly.

        ◎, parts block upper 孔不垂直, make small 凸模偏位, or more parts block.

        ◎, or 导柱安装不垂直, heavy new assembly, ensure degree.

        9.折弯边不平直, dimensions unstable

        ①. increase pressure or 预折弯 process

        ②.材 material pressure material force 不够, increase pressure material force

        ③.凸凹模圆角 abrasion loss for or 折弯受 force non-uniform, adjustment 凸凹模间隙 make uniform, light 凸凹模圆角

        ④ high degree dimensions can small most small dimensions

        10. bending surface pressure material thin

        ①.凹模圆角太 small, increase large 凹模圆角 semi 径

        ②.凸凹模间隙 small, positive 凸凹模间隙

        11.凹形 parts 底部不平

        ①.材 material 本身不平整, 需校平材 material

        ②.顶 sheet/plate and material 接触面积 small or material force 不够, adjustment material plant/unit, increase material force

        ③.凹模 inner material plant/unit, increase material plant/unit or positive

        ④. add 整形工序

        12.不锈钢翻边 deformation

         in manufacturing 翻边之 front toward material use excellent formed lubricant, this can material more good from mold in separation 离出, in formed 形时顺畅 in lower surface 移动. to material more good machine distribution by bending and by tensile generate force, anti in formed 形翻边孔边 upper deformation and 翻边孔底部 abrasion loss.

        13.材 material 扭曲

         in material upper a large amount of 孔, 导致材 material degree defect, formed can can is pressure force 累积. 冲切一 孔时, 孔周边材 material by toward lower tensile, sheet/plate upper surface force increase large, lower 冲运动也导致 sheet/plate lower surface pressure force increase large. for/regarding a small amount of 孔, 结果不 obvious, 但随 冲孔数目 increase, force and pressure force formed increase to material deformation. mold micro 信: mujudaren

        消 remove this type of deformation methods is: 每隔一 孔冲切, rear 返回冲切剩余 孔. this although in sheet/plate upper generate same force, understanding toward 连续一 紧接一 冲切而 generate force / pressure force poly. 如此也令第一批孔 separation 担 第二批孔 部 deformation 效应.

        14. mold heavy abrasion loss

        ①, and more already abrasion loss mold toward parts and 冲头.

        ②, mold is combined 理(偏 small), increase lower 模间隙.

        ③, amount decrease/reduce abrasion loss, improvement lubricated conditions, lubricated sheet/plate and 冲头. amount and 注油次数视 processing material conditions 而定. cold sheet/plate, resistant sheet/plate and other 无锈垢 材 material, need to mold 注油, 注油点 is sleeve/set, 注油口, lower and other. use light machine 油. has 锈垢 材 material, processing iron micro powder 会吸入冲头 and sleeve/set between, generate 污垢, make 冲头不 can in sleeve/set inner sliding, this type of lower, if upper 油, make more easy upper, therefore this type of material 时, versus need scratch dry 净, month separation understanding 一回, use 汽(柴)油 冲头, lower 模 污垢 掉, heavy new front again scratch dry 净. this can ensure mold has good lubricated property can.

        ④, abrasion methods 不当, formed mold 退火, add abrasion loss, use soft abrasion material 砂轮, using/adopting small amount, amount cooling liquid 并经常清理砂轮.

        15. anti pressure 噪音

        冲床 is sheet/plate material processing industrial most key/critical equipment. in as generate machine 械传动噪声, pressure and gas force property 噪声, 该噪声 most high value can 达125dB(A) large large ultra- 国家 standards 规定 85dB(A) and its below/following indicators requirements, for as and ring 境(如 office 室, 居民住宅区, 会议室 and other)造 formed its heavy and 污染. has 效 治理该噪声己 formed is solution issues. especially is 我国 第一部《噪声 method 》 实施, environmental protection industry 化 规模 day increase large, more accelerated for this 一噪声治理 迫切 property.

         from 冲床噪声源 and mold structure 入手, need reduce attention/notes below/following 几点:

        ①, heavy mold maintenance, 清洁, maintain 刃口锋利.

        ②, mold 刃口 形状, amount, material and 冲切线 long, mold and parts 接触面不 need large, 冲头做斜刃阶梯冲裁, make mold in different 位置切入 deep degree different, process achieve true positive 切断, is 同步挤断.

        ③, mold 刃口必 must 垂直于安装面, 且凸凹模刃口配 combined need combined 理, material difficult can increase lower 模间隙, increase material force, using/adopting soft surface material sheet/plate and other methods.

        ④, as sheet/plate 间 配 combined degree, processing 一 排 gas 槽.

        ⑤, sheet/plate small block parts, material sheet/plate, lower sheet/plate is parts 式, decrease small 抨击面积.

        ⑥, material sheet/plate elastic 顶 源改 is T type 顶杆, elastic in upper base/seat, and other high sleeve/set and 顶杆配 use, mold opening lower ensure material sheet/plate still has 一定 自由 active amount.

        ⑦, maintain lubricated good, mold dry 涉, 顺畅.

        ⑧, upper lower base/seat surface aluminum sheet/plate force 缓冲.

        ⑨, mold debugging good rear, in upper add 装隔声罩 or sponge sheet/plate 隔音处理.

        ⑩, improve/increase 冲床精 degree, reduce structure 噪声. in as upper 安装缓冲 decrease drop 噪油缸, gears using/adopting add strong/high lubricated and add gears 罩, gas system in add 装消声 device.