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 Contact US Ningsu Machinery CO.,LTD
Contact Us
Ningbo Ningsu Machinery CO., Ltd.
No.147, Shijiawan Village, Dongwu Town, Yinzhou District, Ningbo City, Zhejiang Province, China
Tel: 86-574-86817701 / (86) 13805841242  Fax: 86-574-86817702
Mail: sally@cn-npc.com
 
About Us
Ningbo Ningsu Machinery Co.,Ltd.,located on Dongwu Town,Yinzhou District,Ningbo City,is mainly specialized in the developing,production and sale of accurate plastic injection molding machines.
NPC series accurate plastic injection molding machines.With optimized structure, advanced configuration,excellent performance and credit sevice,is widely accecpted by cilents.
 
Products List
http://www.cn-npc.com/chanpin.html
NPC/JD SERVO
The servo system is able to collect data signals from controller and automatically select the most effective working mode to operate precise pressure and flow rate output, and also to eliminate ineffective energy consumption.
NPC/JD servo driving injection moulding machine, characterized by energy saving and high precision, is equipped with the high-performance servo motor dynamic control system. Its motor output power changes as the loaded driver changes, causing no additional energy consumption. During the period of pressure holding, the servo motor reduces its speed and needs a little energy. During the cooling period, the motor stops working and power consumption is 0. The energy-saving servo system is equipped with a rotary encoder and a pressure senor, giving feedback on flow rate and pressure from time to time. It is able to change the speed and torque of the servo motor, which results in adjustment of flow rate and pressure. It ensures high precision of repetition.
 
Featuring
【Clamping Unit】
Optimized one-piece front connecting rod (patent number:ZL201220281288.6 ) is wholly casted, thus to guarantee a fine rigidity and smooth movement. The main locking shaft remains static during opening and closing action, thus to reduce wearing of the die.
Molybdenum-contained copper sleeves or a self-lubricating guide sleeves are used on the draw bar and the guide bar. By means of its special abrasion resistance and low friction coefficient, it dramatically increases the life service of the draw bar.
The crankshaft adopt self-lubricating steel bushing, which improves continuity of lubrication, enhances lubricating effects and reduces frequency of oil filling.
The templates adopts T-shape slot .The reasonable T-shape slot arrangement not only makes it convenient to install moulds, but also enhances the strength of the template.
Below the tail board of NPC280 or above products is installed with an antiwear pad to lower the friction coefficient of the template during adjustment and make it convenient for adjustment.
It adopts an oil motor for automatic mould adjustment and is equipped with an automatic mould adjustment detection device.
【Injection Unit】
Dual-cylinder balanced injection system.
Dual-cylinder base forward.
Multi-stage injection pressure/speed&position control.
Multi-stage storing pressure/speed&position control.
High-torque oil motor drive screw preplasticizing device.
Screw draw-back anti-drooling device.
Hopper blanking opening cooling system.
Screw speed tester.
It adopts dual-injection structure, vertically balanced at each side of the body, which makes the whole injection part work stably.
Dual-cylinder horizontal injection and low-speed high-torque motor directly driving the screw to finish preplasticizing.
The injection part is equipped with three kinds of screws with different weight. A screw speed tester is also installed.
The injection part adopts a centralized manual lubricating device, which is convenient for maintenance.
Screws adopt dual alloy or nitridation.
【Hydraulic Unit】
The Hydraulic system wholly adopts imported hydraulic components of famous brand, which improves the oil circuit combining inserts and slide valves, and also effectively raises the response speed of the system
Precise and stable hydraulic power device.
Sensitive and stable hydraulic control elements.
Oil circuit control system combining reasonably optimized inserts and slide valves, which improves the response speed of the system, and makes it convenient for maintenance.
Proportionally optimized multi-pump control system
High-efficient and energy-saving servo control system.
Self-sealing oil tank filter
【High-end Controller】
It adopts imported controllers and electrical components specially for injection moulding machines. Wholly enclosed electrical control boxes, reasonable deployment of electrical components, separated strong current/weak current, dustproof and anti-electromagnetic interference function, and stable operation.
TFT crystal color display.
High-speed DSP processor with the time control precision of 1ms.
High-performance controller specially for injection moulding machines.
Imported high-precision dislocation sensor.
Other imported brand components.
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