중국 AHYW Yawei 공장에서 만든 스테인레스 판금 BendingForming 기계
스테인리스 스틸은 용도가 다양하며 도난 방지 창, 대기 부스, 선반 등과 같이{0}우리 생활에서 흔히 볼 수 있는 재료입니다. 스테인레스 스틸의 높은 항복점, 높은 경도 및 상당한 냉간 가공 경화 효과로 인해 스테인레스 스틸 판을 구부릴 때 몇 가지 명백한 특성이 있습니다.
스테인리스 시트 프로파일을 구부릴 때 스테인리스 요소를 알고 나서 스테인리스 구부리기를 시작해야 합니다.
SUS 304 스테인레스 스틸은 항복점과 인장 강도가 높기 때문에 냉간 가공 경화 효과가 분명합니다. 304 스테인레스 강판 굽힘 공정의 특성은 열전도율이 일반 저탄소강보다 나쁘고 연신율이 낮아 플레이트에 필요한 변형력이 발생한다는 것입니다.
Compared with mild steel sheet , the springback tendency of stainless steel sheet is stronger than that of carbon steel, and its elongation is also lower than that of carbon steel, so the bending angle R of stainless steel workpiece is higher than that of carbon steel when bending. Otherwise, cracks may occur when bending.
SUS 304 stainless steel has high hardness and significant cold work hardening effect, press brake tooling material must be with heat treatment hardness above 60HRC should be selected when selecting press bending tools. Its surface roughness is an order of magnitude higher than that of carbon steel press bending tools.
According to the above characteristics, generally speaking, under the unit size, the thicker of stainless steel plate, the greater the bending force required, and when increase bending sheet plate thickness, the margin of bending force should be stronger when selecting bending equipment. When bending higher tensile strength sheet plate, the lower the elongation. Also required higher bending force and smaller bending angles.
According to the actual bending operation, the unfolding size of one bending workpiece is the addition of right angle edges minus two times of plate thicknesses, which can fully meet the requirements of design accuracy. According to experience, the formula to calculate the unfolding amount can simplify the calculation process and greatly improve the production efficiency. The greater the yield strength of the material is, the stronger the elastic recovery is. In order to obtain the 90 degree angle of the bending part, the smaller the angle of the pressing knife needs to be designed. Compared with carbon steel, the bending angle of 304 stainless steel plate with the same plate thickness is large, which requires great attention. It will generate bending cracks, which will affect the workpiece strength of stainless steel materials.
When bending, you need to confirm the tool ing and groove used in bending according to the size and material thickness on the drawing. Avoiding the deformation caused by the collision between the product and tools, you need to choose the correct top punch and lower dies(Sometiems bending one sheet profiles, maybe you need different top punch and bottom dies), bottom dies must be determined by the sheet thickness of profiels, Then you must be determine the sequence of bending, different sheet bending profiels has different bending sequence, must most of profiles bending is first inside and then outside, first small and then large, first special and then ordinary. For the workpiece with edge to be crushed, firstly bend the workpiece to 30 degree - 40 degree , and then press the workpiece with flattening press brake tooling system.
스테인리스 시트 벤딩 응용 분야에 대한 모든 의문점은 AHWY Yawei 중국 공장에 이메일을 보내 추가 정보 및 솔루션을 요청하십시오.
