The JH21 series is a classic and popular mechanical press. Its fundamental characteristics are determined by its “open” and “fixed-table” construction. Suitable for cold stamping processes such as blanking, punching, forming, bending, and light wire drawing, it is widely used in a variety of industries, including electrical appliances, vehicles, agricultural machinery, tractors, mining machinery, hardware tools, and machinery manufacturing.
The JH21 series’ design combines practicality, stability, and a touch of modernity. Its key features are as follows:
1. Excellent Structural Rigidity: The open C-shaped machine body provides access on three sides, making die loading and operation extremely convenient. Constructed from high-quality cast iron or welded steel, the machine body effectively resists deformation during stamping, ensuring stamping accuracy and die life.
2. High Precision and Stability: The spindle (crankshaft) is ground using a high-precision grinder and supported by high-quality double-sealed rolling bearings, ensuring transmission accuracy, minimal wear, and minimal thermal deformation. The slide utilizes six- or eight-sided rectangular guideways with long guide surfaces and a precision gap adjustment device, ensuring precise and smooth slide trajectory and significantly reducing damage to the die from lateral forces, making it particularly suitable for precision stamping.
3. Safe and Convenient Operation: The worktable is fixed, unlike tilting presses, which can tilt. This allows for the installation of large, heavy dies and automated accessories (such as robots). The ample space beneath the worktable is suitable for installing devices such as air cushions. Standard features include two-handed operation buttons, an emergency stop button, and an optional photoelectric safety device, ensuring compliance with safety regulations.
4. Excellent process adaptability: The fixed platform structure is ideal for integration with automated equipment such as automatic feeders, manipulators, and three-axis robots, enabling the creation of fully automated stamping production lines.
The JH21 series open-type fixed-table press is a mid-to-high-end, versatile stamping machine offering comprehensive performance, reliability, and durability. With its sturdy construction, advanced wet clutch, sophisticated guide system, and comprehensive safety features, it systematically addresses key user challenges in efficiency, precision, cost, safety, and flexibility. Users should select the appropriate model based on their process requirements (such as tonnage, table size, and stroke count).
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