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CNC Machining Service

Release time:2024-11-25 16:09:57 Number of views:398 Publisher:njjh Source:编辑部

CNC Machining Service

In CNC machining, the machining processes are often concentrated, and it is very important to locate them on the same basis. Therefore, it is often necessary to set some auxiliary datum, or add some process bosses on the blank.

Product Details ofCNC Machining Service

In CNC machining, machining processes are often concentrated, making it crucial to locate them on the same basis. Therefore, it is often necessary to establish auxiliary datums or add process bosses on the blank.


It's advantageous to adopt a uniform geometric type or size for the shape and inner cavity of the part. This helps reduce the number of tool changes and allows for the application of control programs or special programs to shorten the program length. Additionally, shaping parts as symmetrically as possible facilitates programming with the mirror machining function of the CNC machine tool, saving programming time.


CNC machining is ideal for manufacturing workpieces needed regularly. For products with cyclical or seasonal market demand, relying on specific production lines can result in inefficiencies, unstable quality, and challenges in meeting quantity requirements. By retaining the program and related product information in the CNC machining center after the initial batch, subsequent production runs can commence swiftly, minimizing lead time. CNC machining centers distribute long machining times evenly across workpieces, reducing the average actual working time per production and significantly shortening the production cycle.


CNC machining is well-suited for producing high-precision workpieces, even those with low demand but requiring precise manufacturing within short cycles. Traditional methods involving multiple machine tools often lead to long cycle times and low efficiency.


CNC machining enables batch production of workpieces, providing flexibility to respond rapidly to specific requirements and quickly realize mass production, thereby enhancing market competitiveness. CNC machining centers are suitable for small to medium batch production, with the minimum batch production achievable when using CNC machining centers.


CNC machining is effective for producing composite-shaped workpieces. The utilization of four-axis linkage and five-axis linkage CNC machining machines, coupled with the advancement of CAD/CAM technology, has increased the complexity of machining workpieces. The use of DNC ensures that the processing content of the same program is sufficient to meet various processing needs, facilitating the automatic processing of complex workpieces.



What are the types of CNC machining?


1. CNC drilling is a machining process that uses multi-point drilling to create cylindrical holes in a workpiece. In CNC drilling, the CNC machine typically feeds a rotary drill perpendicular to the surface of the workpiece, resulting in a vertically aligned hole with a diameter equal to the diameter of the drill used in the drilling operation.


2. CNC milling is a machining process that uses a rotating multipoint cutting tool to remove material from a workpiece. In CNC milling services, CNC machines usually feed the workpiece into the cutting tool in the same direction as the cutting tool rotates. In manual milling, however, the machine provides the workpiece with the opposite rotation to the cutting tool.


3. CNC turning is a machining process that uses a single-point cutting tool to remove material from a rotating workpiece. In CNC turning, a CNC machine (usually a lathe or lathe) feeds a cutting tool in a linear motion along a rotating workpiece surface, removing material around the circumference until the desired diameter is achieved. This process produces CNC-turned parts with internal and external features such as grooves, tapers, and threads. Operational capabilities of the turning process include leveling, facing, grooving, and thread cutting.


The advantages of the CNC machining process.


CNC machining usually includes tool holders and tool magazines that can automatically change tools, with the tool change process executed automatically under program control. This concentration of operations brings significant economic benefits:


1. Reduction in machine tool footprint, saving shop floor space.

2. Elimination or reduction of intermediate links (such as intermediate inspection of semi-finished products, temporary storage, processing, etc.), saving time and human resources.

3. Automation, eliminating the need for manual tool control in the CNC machining process, leading to high automation levels.

4. Reduced labor involvement during machining, resulting in labor savings.

5. Automation of CNC machining reduces worker fatigue, carelessness, estimation errors, and other human errors common in conventional machine tools, improving product consistency.

6. Automatic tool change in CNC machining streamlines the machining process, increasing labor productivity.

7. While conventional general-purpose machine tools offer flexibility, they can be inefficient. Certain conventional machines are efficient but lack adaptability to various parts, have high rigidity, limited flexibility, and struggle to compete in the market economy.



Packing and Shipping.


1. Each product is carefully packed in bubble bags and placed in cartons. To prevent scratches caused by impact during transportation, which may affect the product's quality and usability, we use wooden boxes specially designed for export.


2. All products will be transported according to customer needs, including express, air shipping, sea shipping, and railway shipping.


FAQs.


1. How can I get a quotation?

   - We provide a quote based on the drawing, quantity, weight, and material. Physical samples are also acceptable.


2. If I don't have a drawing, can you create one for me?

   - Yes, we are able to create a drawing based on your sample to replicate it accurately.


3. What are your payment methods?

   - For tooling: 50% T/T advanced, 50% T/T balance upon sample approval.

   - For bulk orders: 30% deposit T/T, 70% balance T/T against the copy of B/L.


4. What file formats do you accept?

   - We accept PDF, IGS, DWG, X_T, and STEP (STP) formats.


5. What surface treatments do you offer?

   - We provide a range of surface treatments, including powder coating, sandblasting, painting, polishing, acid pickling, anodizing, enamel, zinc plating, hot-dip galvanizing, and chrome plating.


6. How do you pack your products?

   - Each product is carefully packed in bubble bags and cartons. Wooden boxes specially designed for export are used to prevent scratches caused by impact during transportation, ensuring the quality and usability of the product.


7. Do you have a subsidiary overseas?

   - Yes, we have a subsidiary located in Michigan, USA.


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