产品介绍/Product introduction

J21系列开口压力机是一种适用于剪切、冲孔、下料、弯曲和浅拉工作的金属板万能压力机。通常用于（通讯、电脑、家用电器、家具、车辆、（汽车、摩托车、自行车）金属零件的冲压成型。

J21 series open press is a universal metal plate press suitable for cutting, punching, blanking, bending and shallow drawing. It is usually used for stamping and forming metal parts (communications, computers, household appliances, furniture, vehicles, automobiles, motorcycles, bicycles).

特点(Features)：

1.采用铸造结构，具有更好的抗振动性能。

2.采用水平放置曲轴，外齿轮开放，便于维护。

3.铸造箱体结构滑块刚性好内置块体塌陷过载保护装置，结构简单，是滑块过载，保险丝塌陷破坏，保护机器和模具不受损坏。

4.四个细长的三角形导轨，易于调整。

5、采用手、脚开关操作按钮设计，易于激活连续、单一和调节练习。

6、兼容相应的冲床自动送料系统，生产全自动化，成本低，效率高。

1. Casting structure, with better vibration resistance.

2. The crankshaft is placed horizontally and the outer gear is open for easy maintenance.

3. The structure of the casting box slide block is rigid and the built-in block collapse overload protection device is simple in structure, which is the overload of the slide block and the collapse of the fuse to protect the machine and the mold from damage.

4. Four slender triangular guide rails, easy to adjust.

5, using hand, foot switch operation button design, easy to activate continuous, single and adjustable exercises.

6, compatible with the corresponding punch automatic feeding system, full automation of production, low cost, high efficiency.