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解决模具加工中尺寸变异的问题?

来源:http://www.sdlqmj.com 日期:2021-04-12 发布人:liqiang 浏览次数:
模具加工业的发展在地域分布上存在不平衡性,沿海地区发展快于中西部地区,南方的发展快于北方,模具生产集中的地区在珠江三角和长江三角地区,其模具产值约占全国产值的三分之二以上。在模具加工中经常能遇到尺寸变异的问题,模具加工厂家是怎样解决的。
The development of mold processing industry is unbalanced in regional distribution. The development of coastal areas is faster than that of central and western regions, and that of southern areas is faster than that of northern areas. Mold production is concentrated in the Pearl River Delta and Yangtze River Delta, and its mold output value accounts for more than two-thirds of the national output value. In the mold processing, we often encounter the problem of size variation. How does the mold processing factory solve it.
(1)冲模太短:弯à度变大,倒à不ì,成形不完全。
(1) The die is too short: the bending degree becomes larger, the reverse is not smooth, and the forming is incomplete.
(2)没有引导:引导销或其他定位装置没有作用,送料机没有放松或引导销径不ì,无法矫正引导。定位块磨损,送距过长。
(2) No guide: the guide pin or other positioning device does not work, the feeder does not relax or the diameter of the guide pin is not correct. The positioning block is worn and the feeding distance is too long.
(3)刀口磨耗:毛头太大或尺寸变大(切外形);变小(冲孔);平面度不好。重新研磨或更换冲模。
(3) Knife edge wear: too large burr or larger size (cutting shape); smaller (punching); poor flatness. Regrind or replace the die.
(4)顶出不当:顶料销配制不当,弹簧力不适当或顶出过长。调整弹力或改变位置或销数量;销磨短配合。
(4) Improper ejection: improper preparation of ejector pin, improper spring force or excessive ejection. Adjust the elastic force or change the position or number of pins.
(5)导料不佳:导料板长度不ì或导料间隙太大,或模和放料机偏斜或模与送料机距太长。
(5) Poor material guide: the length of the guide plate is not long, or the gap between the guide plate and the feeder is too large, or the die and the feeder are inclined, or the distance between the die and the feeder is too long.
山东铝合金压铸
Die casting of Shandong Aluminum Alloy
(6)下料变形:部份弯曲件不能容许料重叠,须每次落下,或碟形应变可用压力垫或剪斜à克服。
(6) Blanking deformation: some bending parts can't be overlapped, so they must be dropped every time, or dished strain can be overcome by pressure pad or shear wedge.
(7)弯曲变形:上弯弯处挤料;近接孔受拉力变形,受力不均弯à倾斜冲头不够长。
(7) Bending deformation: extruding at the upper bending; tension deformation of the adjacent hole, uneven force, bending, and the inclined punch is not long enough.
(8)撞击变形:制品吹出气压太强或重力落下撞击变形。
(8) Impact deformation: product blow out pressure is too strong or gravity fall impact deformation.
(9)冲剪变形:材料扭曲不平,尺寸加大或偏心不对称。
(9) Punching and shearing deformation: the material is distorted and uneven, the size is increased or the eccentricity is asymmetric.
(10)浮屑挤压:废料上浮或细屑留在模面或异物等挤压变异。
(10) Floating chip extrusion: Waste floating or fine chips left in the die surface or foreign body extrusion variation.
(11)设计不佳:工程安排不好,间隙设定不良,除非变更设计,否则难以克服。
(11) Poor design: poor engineering arrangement and poor gap setting are difficult to overcome unless the design is changed.
(12)材料不当:料宽或板厚,材质或材料硬度不适当,也会产生不良。
(12) Improper material: material width or plate thickness, material or material hardness is not appropriate, also can produce bad.

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