Hardware processing-Jiangsu Songshi metal products Co., Ltd. _Logistics storage shelf_Metal products processing

Hardware processing

Our company has production equipment such as: two large laser cutting machines, CNC punching machine, CNC bending machine, CNC shearing machine, pneumatic fast punching machine, argon arc welding, gas shielded welding, robot welding machine, spraying assembly line (running length 400 meters ) and other production equipment.

key word:

Metal product

key word:

钣金加工 | 物流仓储货架 | 五金加工冲压件类 | 零售货架

Classification:

Sheet metal processing

Message

Product Details

Sheet metal processing is mainly to complete the production of products by cutting, forming, correcting and assembling various metal materials. Therefore, you must have certain knowledge about the quantities, properties and uses of common metal materials in order to use these materials reasonably and master the correct sheet metal processing techniques.

Sheet metal processing and cutting

The cutting method is to use a disc shearing blade to cut the sheet in the opposite rolling direction. According to the disc equipment, it can be divided into linear equipment, oblique linear equipment and oblique equipment. Straight equipment is suitable for cutting sheet metal into strips or cutting square blanks into circular blanks in sheet metal processing. The oblique straight equipment is suitable for cutting circular blanks or circular inner holes, and the oblique equipment is suitable for cutting arbitrary curves. blank.

1. Straight equipment to cut paper. When using the straight line equipment to cut the plate, please align the straight line center line of the upper and lower hob first, the gap between the upper and lower cutting blades is usually 0.05-0.5mm, or adjust the upper and lower hob a little. Sheet metal processing The stacking conditions make the stacking height h generally only 0.2-0.3 times the thickness of the shear plate.

2. Sheet metal processing cutting board with tilting equipment. Beveling equipment is widely used for cutting curved boards. Before cutting the paper, the upper and lower reels are tilted devices, and the angle between the upper and lower reels is set to 25 degrees. Then adjust the speed and gap of the egg cutter according to the thickness of the slices.

3. The cutting dimensional accuracy of beveled sheet metal processing equipment. When a generalized disc rolling and shearing curve is chosen, the radius of curvature of the blank has a certain limit, and its small radius of curvature is related to the diameter of the cutting blade and the thickness of the half-body material, and when in the disc rolling For straight bars, the small width error is also limited.

五金加工外表是经过精细机械加工或其它办法改动毛坯外表的尺寸、外形和性能，使其到达设计图样的请求。但是精细机械零件加工经过车削后所构成的外圆外表，并不是完整理想的外表。加工后在零件外表上构成了很薄的外表层，其特性与内部基体的特性有很大的区别。精细五金加工时，外表在整个切削过程中处在楔入、挤压、断裂和摩擦的复杂受力状态下，停止弹性和塑性变形，在切削力、切削热和四周介质的共同作用下，改动了工件外表原有的几何特征和物理力学性能。因而，采用“外表质量”来评价加工后零件外表层几何的、物理的、化学的或其它工程性能情况与零件技术请求的契合水平，所表达的主要内容分为以下几个方面。

外表粗糙度：精细五金加工外表上具有的较小间距的峰谷所组成的微观几何外形特征，它主要是精细机械加工中切削刀具的运动轨迹所构成的，其波高与波长的比值普通都大于1:50。

外表波度：介于宏观几何外形误差与外表粗糙度之间的中间几何外形误差，它主要由切削刀具的偏移和振动形成，其波高与波长的比值普通为1:50到1:1000。

外表加工纹理：外表微观构造的主要方向，它取决于外表构成所采用的精细机械加工办法，也就是主运动和进给运动的关系。

伤痕：精细五金加工外表一些个别位置上呈现的缺陷，它们大多随机散布的。例如毛刺、裂痕和划痕等。

外表层的物理力学性能：在精细机械零件加工过程中，在零件的外表发作各种复杂的物理化学变化，惹起了外表层物理力学性能的改动。主要包括下面三个方面的内容：外表层加工硬化，外表层金相组织的变化，外表层的剩余应力。