Straight Side Crank Press, 85-630 ton
DDH Series Mechanical Presses
Ideal for Rotor and stator lamination stamping, battery grid forming, home appliance hardware fabrication, and perforated metal sheet stamping, the straight side crank press offers a pressing capacity from 85 to 630 tons and stroke speeds ranging from 80 to 500 spm. It can be configured with feeder, decoiler, straightener, and scrap chopper to form a fully automated stamping press line for high-speed precision metal stamping process.
- Constructed from high-grade cast iron, the frame is heat-treated under precise temperature control and naturally aged to release internal stress, achieving optimal structural stability.
- The frame sections are fastened with base bolts and hydraulically preloaded, significantly enhancing rigidity and minimizing deflection under heavy loads.
- A powerful and responsive separated clutch-brake assembly ensures precise positioning and quick braking response.
- Reduces vibration and noise while improving tool life and maintaining long-term operational stability.
- Manufactured from NiCrMo alloy steel and finished with heat treatment, grinding, and fine machining to ensure high strength and durability.
- Equipped with gap-free axial bearings and elongated guide sleeves, the press achieves accuracy exceeding JIS special grade standards, extending die service life.
- Minimizes thermal strain on the frame, maintaining stamping accuracy and extending machine lifespan.
- The microcomputer interface provides intuitive visual interface control, allowing operators to monitor production quantity and machine status at a glance.
Rotor and stator lamination stamping
Rotor and stator lamination stamping
Rotor and stator lamination stamping
Rotor and stator lamination stamping
Metal hardware stamping
Worktable and slide block
Clutch
Brake system
Solenoid valve
Control buttons
Feeding inlet
Pressure gauges (four sets)
Technical Specifications
| Press capacity (kN) | 850 |
| Stroke (mm) | 30 |
| Stroke speed (spm) | 150-500 |
| Shut height (mm) | 330-380 |
| Worktable size (bolster) (mm) | 1100×750 |
| Slide area (mm) | 1100×500 |
| Slide adjustment (mm) | 50 |
| Scrap hole size (mm) | 800×150 |
| Motor (kW) | 22×4P |
| Machine weight (ton) | 18 |
Technical Specifications
| Press capacity (kN) | 1250 |
| Stroke (mm) | 30 |
| Stroke speed (spm) | 150-500 |
| Shut height (mm) | 360-410 |
| Worktable size (bolster) (mm) | 1400×850 |
| Slide area (mm) | 1400×600 |
| Slide adjustment (mm) | 50 |
| Scrap hole size (mm) | 1100×200 |
| Motor (kW) | 37×4P |
| Machine weight (ton) | 27 |
Technical Specifications
| Press capacity (kN) | 2200 |
| Stroke (mm) | 30 |
| Stroke speed (spm) | 150-500 |
| Shut height (mm) | 370-420 |
| Worktable size (bolster) (mm) | 1900×950×250 |
| Slide area (mm) | 1900×700 |
| Slide adjustment (mm) | 50 |
| Scrap hole size (mm) | 1400×250 |
| Motor (kW) | 45 |
| Machine weight (ton) | 45 |
Technical Specifications
| Press capacity (kN) | 3000 |
| Stroke (mm) | 30 |
| Stroke speed (spm) | 100-450 |
| Shut height (mm) | 400-450 |
| Worktable size (bolster) (mm) | 2300×1000 |
| Slide area (mm) | 2300×900 |
| Slide adjustment (mm) | 50 |
| Scrap hole size (mm) | 1900×300 |
| Motor (kW) | 55×4P |
| Machine weight (ton) | 65 |
Technical Specifications
| Press capacity (kN) | 3600 |
| Stroke (mm) | 30 |
| Stroke speed (spm) | 100-400 |
| Shut height (mm) | 400-450 |
| Worktable size (bolster) (mm) | 2400×1000 |
| Slide area (mm) | 2300×900 |
| Slide adjustment (mm) | 50 |
| Scrap hole size (mm) | 1900×300 |
| Motor (kW) | 75×4P |
| Machine weight (ton) | 66 |
Technical Specifications
| Press capacity (kN) | 4000 |
| Stroke (mm) | 30/40 |
| Stroke speed (spm) | 100-300 |
| Shut height (mm) | 400-450 |
| Worktable size (bolster) (mm) | 2800×1200 |
| Slide area (mm) | 2800×1000 |
| Slide adjustment (mm) | 50 |
| Scrap hole size (mm) | 2300×420 |
| Motor (kW) | 75×4P |
| Machine weight (ton) | 85 |
Technical Specifications
| Press capacity (kN) | 5500 |
| Stroke (mm) | 30/40 |
| Stroke speed (spm) | 80-200 |
| Shut height (mm) | 400-450 |
| Worktable size (bolster) (mm) | 3300×1300 |
| Slide area (mm) | 3300×1150 |
| Slide adjustment (mm) | 50 |
| Scrap hole size (mm) | 2800×450 |
| Motor (kW) | 75×6P |
| Machine weight (ton) | 110 |
Technical Specifications
| Press capacity (kN) | 6300 |
| Stroke (mm) | 30/40 |
| Stroke speed (spm) | 80-200 |
| Shut height (mm) | 400-450 |
| Worktable size (bolster) (mm) | 3400×1300 |
| Slide area (mm) | 3300×1150 |
| Slide adjustment (mm) | 50 |
| Scrap hole size (mm) | 2800×450 |
| Motor (kW) | 90×6P |
| Machine weight (ton) | 125 |
Moves the coil forward step by step into the press, ensuring accurate positioning and steady progression during each stamping cycle

Unwinds the metal coil and maintains proper feeding tension for stable and continuous operation

Passes coil stock through upper and lower rollers to eliminate bending and unevenness, ensuring consistent flatness and improved forming accuracy

Cuts and removes waste generated during stamping to keep the production area organized and running efficiently
A supplier to a major Chinese electric vehicle manufacturer uses the DDH-125T crank press for battery grid stamping. The client has purchased three presses since 2020, and they have continuously delivered stable operation and consistent production benefits.
A customer from Hubei, China, has been operating the DDH-220T press since 2019 for Rotor and stator lamination stamping. It continues to perform reliably, maintaining stable metal stamping with minimal maintenance requirements.
A stamping company in Shandong uses the DDH-125T press to produce high-precision perforated parts for home appliances. Installed in 2021, the press has proven highly accurate and dependable for continuous operation.
Another Shandong-based manufacturer employs the DDH-300T crank press for motor rotor and stator production, supplying components to well-known motor brands across China.
A Korean industrial group operating a facility in Vietnam purchased the DDH-400T press in 2025 for industrial motor Rotor and stator lamination stamping. They praised the its stability and performance, noting that it meets their high-volume production demands. The client plans to expand further with larger-tonnage HOWFIT presses in future phases.
















