钣金加工包括传统的切割下料、冲裁加工、弯压成形等方法及工艺参数，又包括各种冷冲压模具结构及工艺参数、各种设备工作原理及操纵方法，还包括新冲压技术及新工艺。作为钣金加工技术人员，以下20多个钣金加工工艺的专业名词，你知道几个?

　　折弯：指工件由折弯机成型的工艺过程。

　　成形：指在普通冲床或其他设备上使用模具使工件变形的工艺过程。

　　剪料：指材料经过剪板机得到矩形工件的工艺过程。

　　下料：指工件经过LASER切割或数控冲床冲裁的工艺过程。

　　压铆：指采用冲床或油压机把压铆螺母、压铆螺钉或压铆螺母柱等紧固件牢固地压接在工件上的工艺过程。

　　涨铆：指先将工件沉孔，再采用冲床或油压机把涨铆螺母牢固地压接在工件上的工艺过程。

　　落料：指在普通冲床或其他设备上使用模具加工得到产品形状的工艺过程。

　　冲孔：指工件由普通冲床和模具加工孔的工艺过程。

　　拉母：指采用类似铆接的工艺。用拉母枪把拉铆螺母(POP)等连接件牢固地连接在工件上的工艺过程。

　　拉铆：指以拉铆枪为工具用拉钉将两个或两个以上工件紧密地连接在一起的工艺过程。

　　铆接：用铆钉将两个或两个以上工件面对面连接在一起的工艺过程，若是沉头铆接，需将工件先进行沉孔。

　　切角：指在冲床或油压机上使用模具对工件角进行切除的工艺过程。

　　冲凸包：指在冲床或油压机用模具使工件形成凸起形状的工艺过程。

　　冲撕裂：也叫“冲桥”，指在冲床或油压机用模具使工件形成像桥一样形状的工艺过程。

　　抽孔：也叫“翻边”，指在普通冲床或其他设备上使用模具对工件形成圆孔边翻起的工艺。过程。

　　攻牙：指在工件上加工出内螺纹的工艺过程。

　　校平：指工件加工前、后不平整，使用其他的设备对工件进行平整的过程。

　　回牙：指对预先攻有牙的工件进行第二次螺牙的修复的过程。

　　钻孔：指在钻床或铣床上使用钻头对工件进行打孔的工艺过程。

　　倒角：指使用模具、锉刀、打磨机等对工件的尖角进行加工的工艺过程。

　　冲印：指使用模具在工件上冲出文字、符号或其他印迹的工艺过程。

　　沉孔：指为配合类似沉头螺钉一类的连接件，而在工件上加工出有锥度的孔的工艺过程。

　　拍平：指对有一定形状的工件过渡到平整的工艺过程。

　　冲网孔：指在普通冲床或或数控冲床上用模具对工件冲出网状的孔。

　　扩孔：指用钻头或铣刀把工件上小孔加工为大孔的工艺过程。

Sheet metal processing includes traditional cutting, blanking, punching, bending forming and other methods and technological parameters, including various cold stamping die structure and technological parameters, working principles and operating methods of various equipment, including new stamping technology and new technology. As the sheet metal processing technical personnel, the following more than 20 sheet metal processing technical terms, do you know how many?

Bending: refers to the process by which the workpiece is formed by the bending machine.

Forming: refers to the process by which a die is used to deform a workpiece on a common punch press or other equipment.

Cutting material: refers to the process of obtaining rectangular workpiece through the cutting machine.

Blanking: refers to the workpiece through LASER cutting or CNC punch blanking process.

Riveting pressure: refers to the process of firmly pressing riveting nuts, riveting screws or riveting nut columns onto the workpiece by press or hydraulic press.

Rising riveting: refers to the process of sinking the workpiece and then pressing the rising riveting nut firmly on the workpiece with a press or hydraulic press.

Blanking: refers to the process by which the shape of the product is obtained by means of die processing on a common punching machine or other equipment.

Punching: refers to the process by which the workpiece is processed by ordinary punching machine and die.

Pull: refers to the use of similar riveting process. The process of firmly connecting rivet nut (POP) to the workpiece with a puller gun.

Riveting: refers to the process of tightly connecting two or more workpieces with a riveting gun as a tool.

Riveting: the process of connecting two or more workpieces face to face with rivets. If the work piece is riveted with a sunk head, the workpiece shall be sunk first.

Corner cutting: refers to the process of cutting the corner of the workpiece with a die on a press or oil press.

Punch bump: refers to the process by which the workpiece is raised by a die in a press or hydraulic press.

Impact tearing: also known as "impact bridge", refers to the process by which a die is used in a press or hydraulic press to make the workpiece look like a bridge.

Punching hole: also known as "flanging", refers to the process of turning up the edge of a round hole on the workpiece by means of a die in a common punching machine or other equipment. Process.

Tapping: the process of producing internal threads on the workpiece.

Leveling: refers to the process of leveling the workpiece with other equipment when the workpiece is not level before and after processing.

Back tooth: refers to the process of repairing the second screw tooth on the workpiece with teeth in advance.

Drilling: refers to the process of drilling the workpiece with a drill bit on a drilling machine or milling machine.

Chamfering: refers to the process of machining the sharp corners of the workpiece with a mold, file, sander, etc.

Printing: refers to the process of stamping words, symbols or other imprints on the workpiece with a mold.

Countersunk hole: refers to the process of machining taper hole on the workpiece to match the connector like countersunk head screw.

Flatting: refers to the process of transferring the workpiece of a certain shape to flatness.

Punching mesh: refers to punching out the mesh hole of the workpiece with the mold on the ordinary punching machine or CNC punching machine.

Reaming: refers to the process of making small holes in the workpiece into large holes with a drill or milling cutter.