QUALITY ASSURANCE
GWM’s quality policy has also been clarified in a step-by-step development, which is to continuously promote quality progress and create value for customers.
In GWM, the quality control process is divided into 3 steps. Firstly, the process analysis and quality prediction of the molding process of castings in the part design stage, thus assisting engineers to complete the process optimization of castings. Secondly, during the order production process, the pre-designed production process card is strictly implemented, and the three-step inspection of incoming material, process inspection and final inspection is done in the production process. Third, when problems are found in the production process or when customers have any feedback on product quality, immediately start the quality abnormality response procedure, draw up corrective and preventive measures to close the existing quality loopholes and improve quality control.
Web Design
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Typography
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Development
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CASTING MATERIAL
POST-TREATMENT
CASTING MATERIAL
What is Lost Wax Casting
Lost wax casting is an expression of human ingenuity in manufacturing. The wax pattern is firstly made as a stand-in for the real metal part, which can accurately reflect the appearance and dimension of the product, and then zirconium sand and other high-strength materials are covered on the outside of the wax mold to make the shell mold. The cavity will be formed inside the shell mold when the wax pattern is melted, and then the liquid metal can be poured into the cavity to obtain a metal part that meets the requirements of the drawings.
Features
Compared to traditional casting processes such as sand casting, the lost wax casting could produce the metal parts with the advantage of more precise dimensions and surface roughness.
Compared to die-casting and forging process, lost wax casting owns the extremely low tooling costs, and there is no limited of the minimum order quantity.
At the same time, because the process of lost wax casting is more complex, the production lead time of castings is also longer than other processes.
PRODUCTION OF GWM LOST WAX CASTING
Wax Pattern Tool Designing
Wax Pattern Tool Making
Wax Pattern Injection
Wax Tree Assembly
Shell Inspection
Dewax by steaming
Shell Drying
Shell Mode Making
Shell Mode Sintering
Material Spectrographic Analysis
Pouring
Tree Cutting
Assembly & Packaging
Inspection
Castings Sizing
Castings Cleaning
WHY WORKING WITH GWM?
In GWM, we believe that good understanding and communication is the key to success.
Over the past 19 years, we have successfully manufactured 32,000+ new metal parts based on our customers drawings in more than 10 industries.
Need to modify the product structure? Looking for lightweight solutions? Need a simple and fast sample production scheme? Want a door-to-door transportation scheme to reduce the trouble caused by transportation and customs declaration?
We are confident to provide you with the feasible suggestions and improvement plans based on our accumulated knowledge & experience in different industrial applications & foreign trade operation, to help our customers to improve the efficiency and reduce the costs.
Before production, the CAE software could help GWM to forecast the castings defects and find out the best solution.
During the production, an ERP system was built up from incoming inspection to packaging inspection, from self-inspection by production staffs to sampling test by QC inspectors. Most of the data are uploaded to the server which make the quality of each batch traceable.
Before shipment, a strict outgoing inspection is implemented. Material report and dimension report would be sent to customers to confirm the goods condition.
In the event of the quality objection, a quality improvement team will be established including engineering, manufacturing and quality department. The team’s aim is to prevent the recurrence of the same quality problem by verifying root cause and implementing preventive actions.
With the monthly production capacity of 250 tons, more and more customers are benefiting from our in-time delivery.
As a private company, GWM has also grown up from a small company.
The company’s continuous growth is supported by the backup of domestic and foreign customers, in addition to the company’s people-oriented and honest management philosophy and continuous investment to win market feedback.
When facing the market storm and the shock wave of the epidemic, we insist on thinking from the customer’s point of view, facing and negotiating together to solve problems.
After 19 years of development, GWM has become a mature and honestly operating supplier of customized metal parts, and has passed factory inspections by many globally renowned certification companies such as SGS and TUV Rheinland.
Welcome to contact us for the factory audit report.
OFFICE LINE
1.800.555.6789
EMERGENCY
1.800.555.0000
WORKING HOURS
9:00am – 6:00pm
GAS AND FLUID HANDLING
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The Right Amount of Energy
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OTHER SERVICES
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QUALITY GUARANTEE
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FREE QUOTE
Do you need help with metal parts customized production? Fill out this form to get in touch.
OFFICE LINE
1.800.555.6789
EMERGENCY
1.800.555.0000
WORKING HOURS
9:00am – 6:00pm
OFFICE LINE
1.800.555.6789
EMERGENCY
1.800.555.0000
WORKING HOURS
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