Price:Negotiable
Brand:tcjh
MOQ:5
Quantity:200

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Usefulness of this stool. And we have our own factory, so we haveto guarantee the quality and price concessions

Xiamen Tongchengjianhui Industry & Trade Ltd. isspecialized in OEM casting and machining parts for many years. Wehave 8 professional engineers and more than 55experienced staff at your service. Our products mainly used in autoparts and mechanical function.

 

We have compelete QC system and adopt effective 6s management.Meanwhile kinds of testing machine are available for yourreference. So just show us your drawing/sample/idea, we can do onestop service for you, from tooling, casting to machining, polishingand others. We are willing to be your honest partner in China.Theultimate success of the casting design depends on the communicationbetween the designer and foundry engineers. When the foundry isproperly informed of part requirements, there is usually acompromise of specifications that will allow for maximum complianceto print specifications and finish part design.
1 Standard Linear Tolerance(mm)
As-cast tolerances of angles is mainly a function of the partdesign and their ocation in casting. They range from /- 1/2 degree(considered minimum) for well supported positions to /- 2 degreewhere existing distortion could be expected. Inclusion of gussetsand ribs normally minimizes distortion and many sections can bemechanically straightened.
3 Flatness, Strengteness and Roundness

Section Thickness	Possible Thickness Section Sink per Faceof Casting
	Normal	Premium
Up to 25	0.20	0.10
25 to 50	0.40	0.20
50 to 100	0.60	0.30
100 to 150	0.80	0.40

Straightening adds cost, but sometimes cannot be avoided. Theactual straightening costs are often dependent on the tightness ofthe tolerance specified, so do not specify tighter flatness,straightness, roundness, or other requirements than you actuallyrequire. (tcjh typically straightens parts using die sets that willbe included in your tooling price.)
4 Size and Weight Range
Size and Weight. Part size and weight are the most critical factorsin determining part cost because mold capacity is limited by bothsize and weight. The more pieces that can run on a mold, the lowerthe part cost. Unnecessary mass should always be removed by correctengineering practices to reduce part weight.

Items	Size	Premium
Outline Dimention	1000×620×380	up to 100
Weight(kgs)	0.001-60	0.10 to 1.50
Min. Wall Thickness	0.50	5 to 10

5 Surface Roughness
80 to 120 RMS are average.
6 Hole Length

4

JX-950

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