1. Standards for fastener product size: specify the basic dimensions of the product; threaded products, including the basic dimensions of the thread, thread finish, shoulder distance, undercut and chamfer, end of externally threaded parts Size and other aspects.
2. Standards for technical conditions of fastener products. Specifically, it includes the following standards:
a) Standards for fastener product tolerances: specify tolerances and shape tolerances for product dimensions.
b) Standards for the mechanical properties of fastener products: the marking method of the mechanical properties of the product and the mechanical performance items and requirements; some fastener products change the content to the material properties or work performance. Aspect of the content.
c) Standards for surface defects of fastener products: specify the types of surface defects and specific requirements of the product.
d) Standards for surface treatment of fastener products: specify the types of surface treatment and specific requirements of the product.
e) Standards for testing fastener products: specify the test aspects of the above various performance requirements.
3, fastener product acceptance inspection, marking and packaging standards: specific provisions for product inspection and acceptance of the project qualified quality level and sampling plan, as well as product marking methods and packaging requirements.
4. Standards for marking methods for fastener products: specific provisions for the complete marking method of products and simplified marking methods.
5. Standards for other aspects of fasteners: standards such as fastener terminology, standards for fastener product weight, etc.
Free inquiry: technical standards for fastener products (easy to tighten standard data column)
Using Machine:Die casting machine 120 ton -800 ton
Main Processes Flow(depends on part shape and requirement):
Drawing / or Samples a?’Mould making a?’Die casting a?’Deburring a?’Drilling and Tapping a?’CNC Machining a?’Polish a?’Surface treatment a?’Assembly a?’Quality inspection a?’ Packing a?’Shipping
Drawing/ or samples a?’ Mould making a?’Die casting and other processes a?’Get samples and send samples to customer for confirm a?’ Mass Production ( casual inspection avoid unintentional situation) a?’ QC a?’ Packing a?’Shipping a?’Cycle to next order
Surface Treatment (Optional by customer):
Polishing, Sandblasting, Painting, Powder coating, Galvanizing, Chrome plating
Anodizing , Real gold coating, Imitation gold.
Led Lamp Holder,Electric Led Aluminum Shell,Aluminum Die Motor Cover,Aluminum Die Cast Light Shell
Dongguan Hongge Hardware Technology Co., Ltd , http://www.honggecasting.com