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{"title":"ST-25 25 Ton Precision Punch Press with \u00b10.01 mm Accuracy and Pneumatic Clutch","imgUrl":"https:\/\/img.chinax.com\/nimg\/36\/a0\/ca0540429ad86f281ff1e8e40834-200x200-1\/st_25_25_ton_precision_punch_press_with_c2_b10_01_mm_accuracy_and_pneumatic_clutch_for_hardware_stamping.jpg","attrs":{"Max Die Height":"200mm","Press dimension (L*W*H)":"1280*850*2200 mm","Brand Name":"QIAOSEN","Slide size":"470*230*50 mm"}}
{"title":"45ton Pneumatic C Frame Punch Press for Metal Sheet Stamping","imgUrl":"https:\/\/img.chinax.com\/nimg\/5d\/0e\/2682c860bf06d37cf33c1ec8b02a-200x200-1\/45ton_pneumatic_c_frame_punch_press_for_metal_sheet_stamping.jpg","attrs":{"Packaging Details":"Standard","voltage":"380","key selling points":"High-Accuracy","Slider guide position stucture":"2 corner 6 guide structure"}}
{"title":"Metal Single Crank Shaft Pneumatic Punch Machine For Hardware Stamping","imgUrl":"https:\/\/img.chinax.com\/nimg\/5b\/5f\/593f8fb7944e929ac5a6e53c8e2c-200x200-1\/metal_single_crank_shaft_pneumatic_punch_machine_for_hardware_stamping.jpg","attrs":{"Brand Name":"QIAOSEN","Slider adjustment amount":"100mm for junction box making machine","brand name":"Qiaosen","Slider strokes length":"200mm for power press macine"}}
The QIAOSEN ST-260V is a 260-ton high-rigidity C-type single crank precision punch press, engineered for high-speed, precision stamping of medium-thickness metal products. It meets JIS Class 1 accuracy standards, delivering exceptional precision, robust rigidity, stable operation, and user-friendly functionality—making it a core equipment for mass production in medium-to-large factories and stamping workshops.
Applicable Industries
Automotive components, hardware, electrical appliances, sheet metal fabrication, and locomotive parts. Ideal for blanking, punching, bending, forming, and shallow drawing processes of various metal materials.
Core Advantages
High rigidity frame minimizes deflection, ensuring long-term precision stability
JIS Class 1 precision with ±0.01mm repetitive positioning accuracy
Strong 260-ton punching force for medium-thickness materials
Durable construction with extended service life
Easy operation and maintenance
Seamless integration with automated production lines
Key Structure & Materials
Frame: High-strength steel plate welded construction, stress-relieved via high-temperature annealing. Offers minimal deformation, stable punching performance, and excellent load-bearing capacity.
Crankshaft: Forged from 42CrMo high-strength alloy steel (1.3x stronger than conventional 45 steel). Exceptional wear resistance, fatigue resistance, and durability under continuous high-load operations.
Slide Guide: Six-sided slide guiding system with high-frequency quenching and precision grinding. Low wear, high precision retention, and extended mold life.
Worktable: Thickened, high-flatness work surface (1100×700mm). Ensures stable mold installation and uniform force distribution.
Bushings: High-grade tin-phosphorus bronze ZQSn10-1 bushings. Superior wear resistance, low friction, and reduced heat generation compared to standard brass bushings.
Performance Features
Powerful 260-ton Force: Capably processes medium-thickness steel, stainless steel, and aluminum plates for various stamping applications.
Exceptional Precision Stability: Equipped with dual symmetric balancers to reduce vibration, achieving ±0.01mm repetitive positioning accuracy and minimizing defective products.
Adjustable Stroke Rate: 20~40 strokes per minute with optimized slow punching and fast return motion, balancing efficiency and precision.
Intuitive Operation: Touchscreen HMI with centralized controls. Quick learning curve for new operators, with 0.1mm precision die adjustment.
Comprehensive Protection: High-sensitivity hydraulic overload protection safeguards machine and molds. Dry clutch-brake system delivers precise start-stop control with extended service life.
Technical Specifications
Item
Unit
ST-260 V Type
ST-260 H Type
Punching capability
ton
260
Impact force location
mm
7
3.5
Slider strokes per minute
SPM
20-40
40-50
Slider length
mm
250
150
Max die shut height
mm
500
550
Slider adjustment amount
mm
120
Up platform area
kN
1250×700×100
Down platform area
ml
1500×840×180
Shank hole
N.m
Ø65
Main motor power
kw×p
22×4
Air pressure
kg/cm²
6
Punch accuracy grade
JIS 1
Slider adjustment device
Manual operation
Slider center to machine distance
mm
430
Platform to floor distance
mm
1030
Punch weight
ton
32
Technical Features
JIS1 Precision: High-strength fuselage structure with minimal deformation and JIS Class 1 precision standards
Easy Operation & Maintenance: C-type open design on three sides for easy mold installation and maintenance with OMPI pneumatic dry clutch
Energy Efficient: Improves material use rate to 105%-108% and saves 25%-35% energy (approximately 4004 kWh annually per machine)
Operation Modes: Manual, semi-automatic, and fully automatic modes available with mold information transfer capability
Stable Performance: High-frequency quenching and rail grinding process for minimal wear, high precision, and extended mold life
Company Profile
Dongguan Qiaosen Machinery Co., Ltd, established in 2016, operates its own factory in Jiangsu province near Shanghai with convenient transportation access. The company holds ISO9001:2008 quality management system certification and specializes in hydraulic press machine production.
Product range includes 10-ton to 2000-ton press machines across 8 series with over 100 types, including single column, four column, C-frame, H-frame presses, punching machines, folding machines, and cutting machines. Applications span aviation, aerospace, automotive, shipbuilding, light appliances, and daily hardware.
Products are recognized for excellent design, competitive pricing, superior quality, and efficient after-sales service, serving domestic markets across 20+ provinces and international markets including United States, Japan, Russia, European Union, Southeast Asia, and Middle East.
Frequently Asked Questions
Are you the manufacturer? Can we visit your factory?
We are the manufacturer located in Wuxi city. We welcome you to visit our factory and check our machine quality on site. Any questions will be solved immediately.
What are your main products and main foreign markets?
Our main products include punching machines, metal straightening machines, and servo feeders. Our main foreign markets are Asia, North America, Europe, and Africa.
What are the advantages of your machines and how can I trust the quality?
Our machines feature imported quality components and are backed by a professional quality inspection team. Each machine undergoes rigorous testing before shipment, ensuring stable and reliable performance.
Will you update production process information after placing an order?
After order confirmation, we provide regular updates on production details via email and photos.
Can we be your agent?
Yes, we are seeking global agents. We provide comprehensive support including technical assistance and after-sales service, along with competitive discounts and commissions.
What are your payment terms?
We accept T/T, L/C, Western Union, PayPal, and other secure payment methods.
How long is your warranty?
We offer 12 months free warranty with lifelong maintenance support.
Do you accept customer logos and customization?
Yes, we accept various customizations including logos and machine modifications according to customer requirements.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2016
Total Annual:
100million-5 billion
Employee Number:
50~100
Ecer Certification:
Verified Supplier
Dongguan Qiaosen Machinery Co.,Ltd which have our own factory located in Wuxi city Jiangsu province, and Dongguan Guangdong province with 100 acres workshop established in 2016 and we are integrating R&D, production and sales. Our factory took the lead in passed authentication of the ISO9001:200... Dongguan Qiaosen Machinery Co.,Ltd which have our own factory located in Wuxi city Jiangsu province, and Dongguan Guangdong province with 100 acres workshop established in 2016 and we are integrating R&D, production and sales. Our factory took the lead in passed authentication of the ISO9001:200...