The CNC milling process is a digital manufacturing process that is implemented by computer numerically controlled (CNC) machines. This process is used to produce parts with complex shapes, and the manufacturing process involves multiple steps. The following are the detailed steps of the general CNC milling process:Design: First, you need to design a CAD model of the parts you want to produce. A CAD model is a three-dimensional image created using computer-aided design software that can describe the shape, size, and features of a part.Programming: Next, you need to convert the CAD model into G-code, which is a type of computer instruction that controls the movement and operation of the CNC machine. G Code can be written manually or generated automatically using CAM software.Prepare the machine: Before you start machining, you need to check and prepare the CNC machine. This includes checking the machine's coordinate system, setting tools and cutters, and setting parameters such as the machine's speed and feed speed.Processing: After the machine is ready, the processing can begin. The machining process usually consists of multiple steps, such as roughing, finishing and drilling. At each step, the CNC machine moves tools and workpieces according to instructions in the G code to achieve the desired cutting operation.Inspection: After processing, the parts need to be inspected to ensure that they meet the design requirements and specifications. Inspection can be carried out by using measuring instruments, templates and other testing tools.Polishing and surface treatment: Parts can be polished and surface treated if needed to improve their surface finish and corrosion resistance. This can be done through the use of abrasives, chemicals and other tools.In short, the CNC milling process is a high-precision, high-efficiency manufacturing process for the production of parts with complex shapes. Through the control of CAD model and G code, the precise control of machine motion can be realized, so as to achieve high-precision parts processing.
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Whether you're working on large-scale industrial projects or smaller on-site repairs, the HJ-30B offers reliable performance, ease of use, and durability. Perfect for professionals in construction, plumbing, and manufacturing sectors.
Model
HJ-30B
Voltage
220V
Extruder Power
1100W
Hot Air Fan Power
3400W
Welding Speed
3.0 kg/4mm
Weight
4.8 kg
Welding Rod Diameter
Ø 2.5–4.0 mm
Welding Material
PE
**Product Specifications:**
Model NO.: HSD
Power: Electric
Material: PE
Type: Plastic Welders
Current: Alternating Current
Trademark: HSD
Transport Package: Standard Package
Specification: EN253, EN448, EN728, ISO1133, ISO8501-1, ISO9001
Origin: Qingdao, China
HS Code: 8468800000
**Product Description:**
Plastic Hand Extruder PVC Welding Machine – HJ-30B
This is a patented product developed by our company. The main unit is imported from Germany (METABO), and the fan is sourced from Switzerland (LEISTER). We are a leading manufacturer in this industry in China, setting high standards for quality and performance.
The HJ-30B model features 7 speed settings (A to G), with D and E being the most commonly used working speeds. It includes an alarm system that alerts users when overheating occurs or when the carbon brush needs replacement, and it can be turned off in emergencies.
**Key Features:**
- Multifunctional digital display
- Double-sided, twist-free wire intake
- Adjustable swivel-mounted handle for comfort
- Ergonomic design for user-friendly operation
- Maintenance-free blower for long-term use
- 360° rotating welding shoe for versatile applications
- Low-noise operation with efficient power transmission
The machine integrates advanced technology from German and Italian models, using imported hot air units. With a powerful motor, it can extrude up to 3 kg of material per hour, ensuring stable and consistent performance. The integrated preheating system and screw extruder design ensure excellent plasticizing quality, smooth mold flow, and no blockage or carbonization.
An imported Swiss fan ensures high air output, providing sufficient heat to raise the base material temperature for optimal melting and adhesion. The machine is lightweight (only 4.8 kg) and easy to operate, making it ideal for hard-to-reach areas and on-site outdoor work.
**Applications:**
This machine is primarily used for welding PP, PE, and PVC plates, vessels, chemical tanks, pipeline connections, pipe bends, sealing of various plastic pipes, manufacturing and fixing of plastic tanks, welding of plastic sheets, and creating different shaped pipe fittings and bends. It is especially suitable for field operations where flexibility and portability are essential.
**Technical Specifications:**