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12.9级螺栓缺点

来源:baiyundou.net   日期:2024-07-02

保鲜盒模具/厂家定制生产注塑加工

日用品模具

 


小霞模具有强大设计团队可接受:提供样品,或者,三维图纸,二维图纸,可以报价开模,欢迎您来咨询报价!

 

 

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型号:

按要求定制

腔数:

1出1

模架:

LKM, ISM标准,HASCO  或按照客户要求

模具材质:

P20, 718H, H13, 2344, 2316, NAK80

模具流道系统:

冷流道/热流道

设计软件:

UG; PROE;

塑料材质:

PP, ABS, HDPE, PC, PVC, PA6, PA66, PET etc.

模具寿命:

500,000次-3,000,000次

模具尺寸:

根据产品设计

模具重量:

根据产品设计

样品:

根据产品设计

普通模具交货期:

35-50天

高要求精密模具

55-85天

  

 
































































日用品模具  注塑模具厂家 模具公司

 

浙江小霞模具公司,主要:模具制造,注塑加工.产品 处理:喷漆,烤漆,水转印,电镀,丝印,热转印,在我们公司定做注塑模具可享受大优惠  我为自己  你舍得花钱,我舍得做,一分钱一分货,舍得换新款时尚型。你不舍得花钱,我给你做 大气经典型模具,欢迎您来厂订购模具 !

小霞模具为您打造制造美观实用的模具,小霞公司模具流程如下。

    小霞模具已通过ISO9001:2000国际体系认证!技术要求如下:

    1.对产品成型工艺、模具结构及制作工艺进行分析。保证模具寿命高达100万次以上。

    2.必须设计完整的模具结构及加工零件,并提出装配要求及注塑工艺要求。

    3.造成塑件外观缺陷(如收缩等)或模具结构问题(如分型面设置、浇口设置、模具寿命无法保证等问题)。

    4.模具外观:模具外观必须保证无锈迹、无撞痕、无残缺勤等模块缺陷。

    5.模具运输:模具运输必须装上锁模片,包装坚固、防锈。

    6.模具资料:在模具交货的同时,必须提供一整套模具易损件和维修保养参考资料。

 模具外观、外形及相关标准  1:模具尺寸符合客户要求,符合客户注塑机型号。2:客户铭牌制作,(模具编号、模具重量、模具外形尺寸、制作开始时间)安装铆钉固定, 符合标准。3:  圈大小符合技术要求,高出顶板10mm,安装须沉于上固定板,不得直接贴在模板上,使用2个以上螺丝固定。4:  浇口套球面R符合标准,浇口套R>成型机R5:  浇口套及流道 抛光至600#砂纸以上,避免棱角。6:  模架各模板在天侧右下角用字冲打上模具编号;模板编号A0,B0;进出水标记IN,OUT;连接管路标记L;进出油标记O  IN,O  OUT;所有字码符合标准。模具外表烂字、头“UP”按照客户要求制作7:  模具地侧安装立脚以保护底面,无特殊情况可以垃圾钉代替。8:  大型模具(8吨以上),模具装夹需开设U型槽或穿孔,与成型机固定 对应。9:  模架 不得有凹坑、锈迹,多余不用的吊环、进出水、气、油孔等及其他影响外观的缺陷。10:  模架各板、孔位、棱边应有大于1.5mm的倒角。特殊部位除外。11:  保证所有吊环均能旋到底,吊装平衡。12:  顶针板下安装垃圾钉,顶出板就做行程块,不能用螺丝代替。13:  模具撑头面积应达到方腿间后模板面积的30%,撑头比模腿高出0.15mm,并不与顶出孔干涉。14:  所有模具螺丝不得切短,滑牙等缺陷;M12(含M12)以上的螺丝使用(12.9级)。螺丝吊模料长度,螺丝直径的1.2倍以上。15:  螺丝沉头孔底面为平面,螺丝安装不能高出沉头孔,底于平面1-2MM。16:  重量超过10KG的零件应做相应吊环孔,吊环孔大小和 符合标准。

24小时全天侯服务”是我们的。只要您给我机会,我一定让您满意。

小霞模具有强大设计团队可接受:提供样品,或者,三维图纸,二维图纸,可以报价开模,欢迎您来咨询报价!

  浙江小霞实力强大,能:模具制造,产品加工,产品 处理,产品安装,小霞模具能有一系列生产制造服务!

小霞模具温馨提示:

浙江小霞模具 欢迎你来公司指导定做模具。制造塑料注塑模具。



日期:2022-12-21 辉





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印歪饺413340cr和45钢做成螺栓12.9级哪个性能好,为什么 ? -
匡潘钧19713937540 ______ 45#钢也能做12.9级高强度螺栓倒还没听说过.高强度螺栓对表面、芯部金相组织都有极高的要求且 对硬度、抗拉强度、扭距、断面收缩率都必须达到要求方能使用.一般多选用42CrMo 或42CrMoA制造.

印歪饺4133镀镍螺丝8.8级和12.9级有什么区别
匡潘钧19713937540 ______ 镀镍螺栓(丝)性能等级8.8级和12.9级的区别:性能等级8.8级的螺栓:抗拉强度为每平方毫米800牛,材料为:中碳钢或低碳合金钢,淬火并回火.性能等级12.9级的螺栓:抗拉强度为每平方毫米1200牛,材料为合金钢,淬火并回火.(供参考)

印歪饺4133高强度螺栓中 8.8级,10.9级,12.9级具体含义是什么?只有这三个分级吗?各级用的材料有那些?各级适用的场合? -
匡潘钧19713937540 ______[答案] 以10.9级为例:10表示公称抗拉强度(1000MPa),9表示屈服强度比(0.9).其它依此类推. 目前未见其他等级,12.9级的也比较罕见. 8.8级和10.9级使用材料有-Q235、Q345、Q390钢. 各级使用的场合要通过计算确定,主要计算他们的剪应力,摩擦...

印歪饺413312.9级螺栓标准是多少,配12级的螺栓吗?耐磨吗? -
匡潘钧19713937540 ______ 12.9级螺栓配12级螺母,12.9级螺栓和12级螺母只是性能等级,尺寸还是依据其他相关螺栓螺母标准的.加工,做,使用,经销美国螺栓螺母,美制螺栓螺母,美标螺栓螺母,一定要拥有美国螺丝标准.你应该买一套美国最新紧固件标准大全《IFI英制紧固件标准手册》第八版)(英文版)(2011年出版),专家才是赢家,拥有标准才会拥有相关业务.我出售美国最新紧固件标准大全《IFI英制紧固件标准手册》第八版,及各种紧固件标准,书籍和资料,紧固件培训教材等,详情见参考资料

印歪饺413310.9级螺栓会弯曲吗 -
匡潘钧19713937540 ______ 会的 高强度螺栓的延展性虽然不如低碳钢制成的低强度等级螺栓,但是同样会有一定的延展性的,所以在断裂的时候同样会发生弯曲,我们在给主机厂做螺栓断裂分析的时候经常会看到这些断裂

印歪饺413312.9级内六角螺丝抗拉合格硬度不合格是合格吗? -
匡潘钧19713937540 ______ 12.9级内六角螺丝抗拉合格硬度不合格是合格吗,绍兴文龙认为12.9级内六角螺丝抗拉合格硬度不合格应该是不合格,12.9级内六角螺丝要抗拉强度,硬度,屈服强度,延伸率,收缩率都合格才算合格产品.

印歪饺4133车轮螺栓12.9级降至10.9级有何风险 -
匡潘钧19713937540 ______ 12.9和10.9最大差别在拉伸强度上.按照离心力原理来考虑,就是不要告诉转弯

印歪饺4133为什么国内风电用12.9级螺栓比较少 -
匡潘钧19713937540 ______ 为什么国内风电用12.9级螺栓比较少原因,卖螺栓螺丝螺母俞文龙认为国内风电用的螺栓是风电专用螺栓,12.9级螺栓只是商品级螺栓,当然国内风电用12.9级螺栓比较少了.紧固件咨询顾问俞文龙认为,最好自己查相关资料,网上得来总是假,碰到不懂装懂的,随便应答的,根本就是假的或骗人的就直接误导你,甚至害惨你.

印歪饺4133为什么12.9级高强度的螺丝在装配好后12天内就生锈?表面处理都?
匡潘钧19713937540 ______ 有可能是安装过程中 工人手部有汗液接触螺栓 造成 一段时间后 螺栓生锈,夏季最为明显 可以让工人戴手套安装.

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