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Products Name: Microcomputer Plastic Injection Molding Machine

Model No: HC-250

Microcomputer controller provides accuracy, precision, stability and fast reaction. System memory can store up to 120 sets of molding parameters. Auto diagnostic monitor system can detect malfunction immediately to shorter the troubleshooting time.
Microcomputer control system provide 4-step injection control with adjustable pressure/speed and 3-step holding pressure to meet most complicated molding requirements.
Full-automatic mold thickness adjustment provides easy and accuracy operation.
Special toggle design of the toggle has smooth and stable movement. Low-pressure protection device is utilized to prevent unintended damage to the mold. Toggle pins equipped with oil-less bushings and auto lubrication device provide excellent lubrication efficiency and extend the machine life.
Shorter machines make the zoom can be used with good flexibility. The toggle mechanism has much longer clamping stroke than traditional toggle machines.
Lumped hydraulic circuit reduces power resumption and noise. Exposed hydraulic circuit makes maintenance easier.
High L/D rate enhances the mixing of thermoplastic. Optional four-cylinder injection increases injection pressure.
Depending on customers requirements, dual circuit system, closed loop on injection unit, accumulator and remote computer controlled are on requested.
HWA CHIN machine parts are machined by imported Japanese machining equipment, and rigorously inspected by 3D measuring device to ensure superior quality and accuracy.
Through 30 years of improvements and upgrade, specification, construction strength and functions absolutely satisfy customers requirement.
Sample applications:
Car accessories, computer components, appliances, communication devices, toys, tools, declarations, packing, and similar products.
Standard equipment:
Injection Unit
Cold start protection
Four injection speed/pressure steps
PID temperature controlled
Screw decompression with open nozzle
Injection carrier with lubrication free slideway
Three holding pressure steps
Clamping Unit
Five mold closing speed/pressure steps
Four mold opening speed/pressure steps
Low-pressure mold protection Hydraulic safety device
Electric safety device
Double side safety guards
Auto mold-thickness adjustment
Core pull control
Air ejection
5 points vibrating hydraulic ejector
Powered safety gate (above HC-450)
Auto lubrication device
Control System
Storage for 120 sets of processing data
One week timer for automatic start and heating
Monitor with power saving function
Malfunction diagnostic with alarm message
Real-time cycle display
Quality control system according to shot weight
Temperature and injection position cushion display
Special function on requested
Others
Energy saving hydraulic system with dual pump
Hydraulic system with lumped circuit
Precise hydraulic proportional valve
Water distributor
Vibration absorbing mounts
Crane ( HC-80~HC-250 )

With over 30 years experience in the design and manufacture of plastic injection molding machines, Hwa Chin has maintained its position as a leader in Taiwan through innovation, quality and technology. Since the companys establishment, Hwa Chin has been dedicated to the pursuit of technological leadership. This drive has produced a remarkable number of innovations and Hwa Chin plastic injection molding machine integrate many fine and patented features.
Hwa Chin Machinery Factory Co., Ltd. has steadily grown in both size and stature from its original small factory. This is the result of the combined efforts of the Hwa Chin personnel who have contributed their skills, talents and abilities to make the company successful. To all of those Hwa Chin people, both past and present, we are truly grateful. In addition, we wish to acknowledge our appreciation to the government and the general public for the support and confidence we have received. Based on the ideal of Give and Get, Hwa Chin continually plays an active role in local activities and organizations. We look forward to the possibility of cooperating with other industries to the benefit of all, and make Taiwanese plastic injection molding machines well known around the world.

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