Injection Mold Over Mould Automotive Parts Electronic Plastic Medical Off - Chinaprice: contact company for price
over 40 engineers and technicians.We can surely complete the whole
products by our advanced CAD systems only on the needing of the
ideal, the description of the products function, and the put location of
the electric ware from our customer.Finally will be checked and
confirmed by the custumers.to make the customers get a more clear and
more methodic on the our company design department 's sense and faith as
Part design should include draft features(angled surfaces) to facilitate removal from the mold.
Depending surface length draft angles down to half a degree are reasonable.Typical draft angles should be about 1 too 2 degrees for part surfaces not exceeding 5 inches.
Dimensional tolerance specification will govern the part cost and manufacturability.if you have a small region of the part that needs higher tolerances, say the location of a
critical feature used for alignment.DO NOT specify tight tolerance.instead design and plan for post molding processes such as machining using 'assembly intent' fixturing.
Wall thickness for thin parts such as a soda bottle or ball point pen ink insert are quite possible and economical.Thick wall sections are possible as well.Uneven wall thickness present challenges to the plastic molder manufacturing and costing.At wall intersection or 'tees' sinking will occur.thick walls cool slower and greater shrinking will occur.thin walls cool faster as thus, less shrinkage.
¡ñRadii and Corners
Maintain uniform wall thickness at corners.External and internal radius should share the same center point.External radii=internal radii+wall thickness.the minimum radii should not be less than 1/4 minimum wall thickness.Design for radii to be 1/2 to 3/4 of the nominal wall thickness.when significant stress is present, design in larger radius as larger radius distributes stress uniformly.
Ribs should be 1/2 to 2/3 of the nominal wall thickness and less than 3 times thickness in height.Taper of 1 deg is typical.Note:excess thickness promotes shrinkage.Excess rib height combined with taper will produce thin sections requiring extra fill time at the mold.
¡ñ Diameter=(Outside Diameter)\(Inside Diameter)=2 to 3.
¡ñ Thickness=1/2 to 2/3 nominal wall thickness.
¡ñ Gusset Height=2/3 Height.
¡ñ Height=Fastener minimum requirements.
¡ñ taper=1 deg all around.
¡ñ Diameter Ratio should be minimum ratio of 2, this will reduce risk of failure.
Location should be considered by design and the molder.Weld lines are formed at the mating of the flow fronts of the plastic during molding.the weld line area is more susceptible to cracks and stress failure.
By the way, We can also scan samples submitted if necessary.
Injection Mold Over Mould Automotive Parts Electronic Plastic Medical Off
For any questions and needs please contact us below
- Posted By: Sanhui Plastic Mold co.,ltd
- Phone: 15818254764
- Address: changantown ,dongguan city,guangdong probince, dongguan, China
- Website: http://www.shmold.cn
Published date: September 7, 2012 -
- Business Description: Sanhui plastic mold Service:
• Rapid Prototyping
• Mold Design&Mold Making
• Plastic Injection Molding
• Die Casting Molding
• Precision Metal Machining
• Surface treatment (Painting, Plating, Printing..etc.)
Why Choice Sino Mold?
• We have 70sets injection machines range from 50 550tons and keep moving, Also can arrange big mold test (>large than 15tons) till injection machine range above 1200tons.
• We have GOOD equipments such as Mirror EDM/CNC (Swiss CHARMILLES/Agie Charmilles) ,Slow wire cutting (Japan Sodik), High speed (Swiss Mikron)and etc.
• We have more than 150 professional mold maker, can make 60 80sets/molds per month.
We are ISO9001:2000 and ISO/TS16949:2002 certificated factory. Our 70% business are injection molds and plastic parts; 30% are diecasting mold, rubber mold, prototype and metal machining work.
Our products including automotive parts, medical parts, Electronics parts,Aerospace parts, Consumer,office&household parts and Telecommunications so on.
We have experienced in Two shot molding, Over molding, Insert molding, Precision Molding, Compression Molding, Die casting Molding.
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