Assembly & Welding
Precision custom sheet metal fabrication Aluminum 5052 metal shell assembly assembly
product detail
Welding is a process of permanent joining of workpieces by melting or plastic deformation of the workpieces, either locally or as a whole, by means of heat, pressure or a combination of both.
Welding steps:
Workpiece preparation: Clean the welding surface of oil, oxides, etc. to ensure that the contact surface is clean.
Positioning: Fix the parts to be welded in the corresponding position and prepare the welding equipment.
Heating and welding: Depending on the welding method, the workpiece is heated or pressurised until the material melts or plastically deforms.
Welding cooling and checking: After the welding is completed, the parts to be welded are left to cool down and the quality of the weld is checked to see if it meets the requirements.
Welding process
1. Electric arc welding
Arc welding is one of the most common metal welding processes, using the high temperatures generated by the arc to melt the metal and ignite the connection.
2.Gas Welding
Gas welding uses combustible gases (such as ethyl command) and oxygen combustion to produce high temperatures to melt the metal, commonly used in thin metal plates or small parts of the welding.
3.Resistance Welding
Resistance welding through the current through the workpiece when the resistance of the heat generated by the local melting of the metal, so as to achieve welding.
4.Laser Welding
Laser welding uses a high energy density laser beam to melt the material and achieve precise welding. The process is suitable for thin metals, plastics and other materials, and meets the requirements of electronics, medical devices and the manufacture of tiny parts.
Testing equipment
1、Coordinate Measuring Machine (CMM):
It is a precision coordinate measuring instrument
It can accurately measure the size, shape, position and other geometric characteristics of a part.
Typically used to check whether a part meets design requirements and tolerances.
2、Height gauge:
Used to measure the vertical height dimension of a part or workpiece
Can measure heights ranging from microns to several metres
Mainly used in machine building, construction, etc.
3、Hardness Tester:
Used to measure the hardness of materials, such as Brinell hardness, Rockwell hardness, etc.
By applying a certain pressure, measuring the resistance of the material surface
Can judge the strength and wear resistance of the material
4、Projector:
Project the enlarged outline of the workpiece onto the screen for measurement and inspection.
Suitable for checking the size and contour of complex shaped parts.
Can be used for precision measurement, contour analysis, etc.
5、Caliper:
A commonly used length measuring tool
Measures inside diameter, outside diameter, depth, etc.
Measurement accuracy ranges from millimetres to one hundredth of a millimetre.
6、Micrometer:
A highly accurate length measuring instrument
Can measure to 0.01 mm or 0.001 inch accuracy
samples
packaging
FAQ:
1.Are you a manufacturer or a trading company?
We are the set design, development, production, sale, and service of industry and trade-oriented enterprises,dedicate to precision CNC machining services customized for non-standard products.
2. Can I get a quote without drawings?
Sure, we appreciate receiving your samples, pictures, or drafts with detailed dimensions for an accurate quotation.
3. Will my drawings be divulged if you benefit?
No, we pay much attention to protecting our customers' privacy, and signing NDA are also accepted if needed.
4. How do you control the quality?
(1) Material inspection--Check the material surface and rough dimensions.
(2) Production first inspection--To ensure the critical dimension in mass production.
(3) Sampling inspection--Check the quality before sending it to the warehouse.
(4) Pre-shipment inspection--100% inspected by QC before shipment.
5. How do I know the progress of my order?
We will offer a detailed product schedule and send weekly reports with digital pictures and videos which show the machining progress.
6. What will you do if we receive poor-quality parts?
Please kindly send us the pictures, our engineers will find the solutions and remake them for you asap.