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处置模具加工中尺寸变异的题目?

来历:beat365官网:http://es2c.com 日期:2021-04-12 宣布人:liqiang 阅读次数:
模具加产业的成长在地域散布上存在不均衡性,内地地域成长快于中西部地域,南边的成长快于南边,模具出产集合的地域在珠江三角和长江三角地域,其模具产值约占天下产值的三分之二以上。在模具加工中常常能碰到尺寸变异的题目,模具加工场家是若何处置的。
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,成形不完整。
(1) The die is too short: the bending degree becomes larger, the reverse is not smooth, and the forming is incomplete.
(2)不指导:指导销或其余定位装配不感化,送料机不抓紧或指导销径不ì,没法改正指导。定位块磨损,送距太长。
(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(切形状);变小(冲孔);立体度不好。从头研磨或改换冲模。
(3) Knife edge wear: too large burr or larger size (cutting shape); smaller (punching); poor flatness. Regrind or replace the die.
(4)顶出不妥:顶料销配制不妥,弹簧力不恰当或顶出太长。调剂弹力或转变地位或销数目;销磨短共同。
(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或导料空隙太大,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:部份曲折件不能允许料堆叠,须每次落下,或碟形应变可用压力垫或剪斜à降服。
(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)曲折变形: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:成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:资料歪曲不平,尺寸加大或偏疼错误称。
(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:废物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)设想不佳:工程支配不好,空隙设定不良,除非变革设想,不然难以降服。
(11) Poor design: poor engineering arrangement and poor gap setting are difficult to overcome unless the design is changed.
(12)资料不妥:料宽或板厚,材质或资料硬度不恰当,也会发生不良。
(12) Improper material: material width or plate thickness, material or material hardness is not appropriate, also can produce bad.

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