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Single Crank C Frame Press Machine

The single crank C-frame press machine is a type of mechanical power press machine used for shaping, cutting, and punching sheets of various materials, including metal, plastic, and paper. The machine is named after its single crankshaft, which is located at the center of the C-shaped frame and drives the slider.
Single Crank C Frame Press Machine

Applicable Material


Material Type: Suitable for vary kind of coil material, such as Galvanized steel, Stainless steel, CR Steel, HR Steel, Galvanized steel, Stainless steel,Aluminum, Cooper etc.

Capacity: 15 ton to 400ton

PLC control.

Dry clutch or Wet clutch for optional.

Hydraulic overload protected.

Both mechanical and electric cam control.

Auto lubricated.

Customized bigger table better for big sheet stamping or progressive die stamping process.

Light curtain, inverter, air cushion are optional.

Brief Profile of Single Crank C Frame Press Machine

A single crank press machine is a type of mechanical power press machine that is used for blanking, punching, bending, and forming of small and medium-sized single-engined thin steel plates and high-speed progressive die parts. This machine is driven by a motor that drives the flywheel, which in turn drives the crankshaft connecting rod mechanism by clutch and transmission gear to move the slider up and down. The tensile mold is driven by the slider to shape the steel plate.

The machine consists of a frame made of high-quality steel plates, die tooling, and a crankshaft mechanism, which is operated by a motor. The motor drives the flywheel, which then drives the crankshaft, connecting rod mechanism, clutch, and transmission gear to move the slider up and down.


The C-shaped frame design of the machine provides maximum accessibility to the workpiece and allows for easy handling of the materials during production or maintenance. The machine is designed to withstand heavy loads and rapid cycling, with an adjustable stroke of the slider in 8 gears to meet the processing requirements of various dies.


The machine is designed with high rigidity in the machine frame, with the high precision power press body welded of quality steel sheet and treated by tension elimination. This improves the stability and reliability of the precision of the machine.

Other functions of the power press machine include keeping the transmission center and machine center in uniformity for guaranteed precision of pressing, the use of symmetrical boards with balancer to ensure stable and smooth machine running, and the precision of mold adjusting up to 0.1mm for safety, reliability, and convenient adjustment.

Overall, the single crank press machine is a reliable, energy-efficient, and cost-effective solution for small and medium-sized metalworking and stamping operations, with high precision and durability.

Application of Single Crank C Frame Press Machine

Single crank C Frame press machine is suitable for all kinds of metal sheet stamping, including the hardware parts, home appliances, furniture hardware, motorcycle accessories, mobile phone accessories, computer accessories and so on.


The configuration of metal sheet stamping line.


Single Crank C Frame Press Machine

Step-1: Uncoiler straightener machine, Loading coil and uncoilling coil and level the strips.

Step-2: Nc Servo Feeder machine, Feed coil to press machine.

Step-3: Power press machine with the moulds, pressing to the end product.


Single Crank C Frame Press Machine

Single Crank C Frame Press Machine


Features of Single Crank C Frame Press Machine

The single crank C-frame press machine features a steel welded body that undergoes tempering treatment for high rigidity, accuracy, and stability. It has low integrated clearance and a small change in mold height, ensuring precision in operation.

The machine also has a small deviation of dynamic center, providing a long mold life and minimal deformation during press operation. The vertical located crankshaft design ensures a compact structure, and the crankshaft undergoes grinding treatment after high-frequency quenching.

The machine's lengthened rectangular guideway has a surface of bronze plate, ensuring high precision processing and high-efficiency operation to provide high-quality products. The implementation is also made easy with the fixed locking type six-surface guide way and a low-noise, safe, and reliable operating state.

The single crank C-frame press machine is a versatile and reliable solution for shaping, cutting, and punching a variety of sheet materials, providing high-precision and efficient operation.

Specification of Single Crank C Frame Press Machine

C Frame Single Crank Press Machine
ModelAPA-15APA-25APA-25APA-35APA-45APA-60
V TypeV TypeV TypeH TypeV TypeH TypeV TypeH TypeV TypeH Type
Capacity(Ton)152525354560
Rated Tonnage point(mm)13.23.21.63.21.63.21.642
Stroke Per Variable(SPM)120-18060-14060-140       130-20040-120110-18040-100100-15035-9080-120
minute  Fixed(SPM)130110110857565
Stroke(mm)608060307040805012060
Die Height(mm)200195200215220235250265310340
Slide Adjustment(mm)505050556075
Slide area(mm)300x230x50300x230x50300x230x50360x250x50400x300x60500x360x70
Bolster Area(mm)680x300x70680x300x70680x300x70800x400x70850x440x80900x500x80
Shank Hole(mm)38.138.138.138.138.150
Main Motor (kw.p)2.2x64x44x44x45.5x45.5x4
Slide Adjust Device (HP)Manual operation
Air Pressure (kg/cm2)                           666666
Presses PrecisionGB(JIS)1 class GB(JIS)1 class GB(JIS)1 class GB(JIS)1 class GB(JIS)1 class GB(JIS)1 class 
Presses Dimension (mm)1236x856x19201280x850x22001280x850x22001380x900x24001600x950x25001600x1000x2800
Presses Weight(Ton)1.82.12.133.85.6
Die Cushion Capacity(Ton)---2.32.33.6
Die Cushion Stroke (mm)---505070
Die cushion effective area (mm2)---300x230300x230350x300


C Frame Single Crank Press Machine 
APA-80APA-110APA-160APA-200APA-260APA-315APA-400
V TypeH TypeV TypeH TypeV TypeH TypeV TypeH TypeV TypeH TypeV TypeH TypeV Type
80110160200260315400
4263636373.5848
35-8080-12030-6060-9020-5040-7020-5050-7020-4040-5020-4040-5020-35
65503535303030
150701808020090200100250150250150300
340380360410460510460510500550500550550
8080100110120120120
560x420x70650x470x80700x550x90850x630x90950x700x100950x700x1001050x840x95
1000x550x901150x600x1101250x800x1401400x820x1601500x840x1801500x840x2001800x950x200
50506565656565
7.5x411x415x418.5x422x430x437x4
Electric driving
6666666
GB(JIS)1 class GB(JIS)1 class GB(JIS)1 class GB(JIS)1 class GB(JIS)1 class GB(JIS)1 class GB(JIS)1 class 
1800x1180x30001900x1300x32002300x1400x38002615x1690x40752780x1850x44702780x1850x45003250x2150x4600
6.59.61623323538
3.66.31014141414
708080100100100100
450x310500x350650x420710x480810x480810x480810x480

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