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J21S Deep Throat Mechanical Punching Press Machine

Crank type deep throat press, tonnage range from 16ton to 100ton, steel welded body, fixed bolster, deep throat suitable for big sheet punching. The crank type deep throat press can work with zig zag coil sheet NC feeder or zig zag steel plate feeding table to punch holes in plate. This crank press machine is also widely used for aluminum circle blanking line.
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  • J21S

  • WORLD

Deep Throat Punch Press: Precision Engineering for Diverse Industries‌

The Deep Throat Punch Press is a versatile and high-performance machine designed to meet the demanding requirements of metalworking across multiple industries. Its advanced engineering and robust design make it an indispensable tool for manufacturers seeking precision, efficiency, and durability in their production processes.

Application Fields‌

1. Automotive Industry‌: Ideal for forming intricate components such as brackets, hinges, and chassis parts, ensuring high strength and lightweight properties.

2. Electronics Manufacturing‌: Used for punching fine holes and shaping metal enclosures, connectors, and shielding components with micron-level accuracy.

3. Aerospace‌: Essential for fabricating high-strength alloy parts, including fasteners and structural elements, where material integrity is critical.

4. Construction & Architecture‌: Employed in producing metal frames, supports, and decorative elements for buildings and infrastructure projects.

5. Consumer Goods‌: Perfect for crafting household appliances, furniture hardware, and precision fittings with consistent quality.

Technical Features‌

1. Deep Throat Design‌: The extended throat depth allows for punching large workpieces or multiple parts simultaneously, maximizing material utilization and reducing waste.

2. High-Speed Precision‌: Equipped with advanced servo or hydraulic systems, it delivers rapid yet accurate strokes, minimizing cycle times and enhancing productivity.

3. Durable Construction‌: Built with high-grade steel and reinforced components, the machine withstands heavy-duty operations while maintaining long-term stability.

4. Smart Control System‌: Integrated  PLC interfaces enable programmable automation, allowing for complex punch patterns, tool changes, and real-time monitoring.

5. Safety Enhancements‌: Features include emergency stop buttons, protective guards, and noise reduction technologies to ensure operator safety and compliance with industry standards.

6. Energy Efficiency‌: Optimized power consumption reduces operational costs, making it an eco-friendly choice for sustainable manufacturing.


The Deep Throat Punch Press combines versatility with cutting-edge technology, empowering industries to achieve superior quality, faster production, and cost-effective solutions. Whether for mass production or custom fabrication, this machine stands as a benchmark in modern metalworking innovation.

Deep throat crank press parameters

deep throat crank press dimensions

Item Unit J21S-10 J21S-16 J21S-25 J21S-40 J21S-63 J21S-80 J21S-100
Nominal capacity KN 100 160 250 400 630 800 1000
Slide stroke length mm 45 55 65 90 110 120 140
Stroke speed times/minute 145 125 55 45 40 38 38
Max. die shut height mm 180 220 270 320 390 440 480
Die shut height adjustment mm 35 45 55 65 80 90 100
Throat depth mm 300 500 600 710 800 800 900
Columns distance mm 208 278 330 470 590 600 720
Slide bottom size L-R mm 170 200 250 300 400 430 540
F-B mm 150 180 220 260 360 360 480
Size of handle hole Diameter mm 30 40 40 50 50 60 60
Depth mm 55 60 60 70 70 75 75
Size of worktable L-R mm 370 450 560 700 860 950 1080
F-B mm 240 300 370 460 570 650 710
Thickness of worktable mm 35 40 50 65 80 100 120
Table hole diameter mm 80 100 120 150 180 200 220
Worktable surface to ground distance mm 730 750 800 835 860 850 850
Overall dimensions F-B mm 835 1250 1835 2338 2748 2720 2815
L-R mm 665 850 950 1335 1500 1715 1790
Height mm 1763 2030 2215 2660 2828 3290 3625
Power of electric motor KW 1.1 1.5 2.2 5.5 7.5 7.5 11
Weight(Approximate) KG 950 1750 2750 5900 7600 9800 10080


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