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CNC Machining Customization

Processable Materials

Aluminum Alloy CNC Machining
Stainless Steel CNC Machining
Magnesium Alloy CNC Machining
Titanium Alloy CNC Machining
Zinc Alloy CNC Machining
Copper Component CNC Machining
Steel Component CNC Machining
Plastic Component CNC Machining
Nickel Alloy CNC Machining
Customizable Material CNC Machining

Surface Treatment Processes

Spray Painting
Baking Paint
Powder Coating
Sandblasting
Shot Blasting
Anodizing
Thick Film Oxidation
Micro-Arc Oxidation
Plating
Electrophoresis
Laser Engraving
Silk Screen Printing
Wire Drawing
Mirror Polishing
Dyeing
Blackening
CD Pattern
Etching
High Gloss
Etched Pattern
Dripping Glue

Zhenmei Technology believes that in the new product development stage, there are three key considerations for CNC custom machining: the structural design's economic feasibility for actual machining, the formulation of the process flow, and the selection of materials and surface treatments. Once these three points are effectively confirmed, CNC machining will not be a problem, and the final aspect to consider is quality control.

The CNC Custom Machining Process at Zhenmei Technology is as follows:

[Before Processing: Process Discussion → Programming → Material Inspection]

Process Discussion

Custom machining process: Zhenmei Technology's engineering team customizes the most economically feasible machining process based on customer requirements. For major projects, we will discuss with the client to provide constructive suggestions from the perspectives of structure, material selection, surface treatment, etc. We do not see it as difficult or tedious but as an opportunity to provide the best assistance to clients in new product development and CNC custom machining, while also improving ourselves.

Programming

The process is formulated and programmed by experienced engineers with over ten years of rich experience. Zhenmei Technology has 27 years of machining experience, with particular expertise in CNC multi-axis machining. We also hold multiple machining patents and fixture patents, enabling us to complete high-difficulty process planning and transfer it to the production department in the shortest possible time.

First Inspection Process - Raw Material Inspection

Hardware materials come in various types and models, making it difficult to differentiate them by appearance alone. For example, SUS304 and SUS316 have different properties despite their similar appearance. Before machining, Zhenmei Technology uses a spectroscopic material analyzer to inspect the raw materials, ensuring that customers receive genuine materials. This provides an additional guarantee of quality for products with specific material requirements.

[Processing: Tool Inspection → Process Inspection]

Inspection Process 2 - Tool Inspection

To do a good job, one must first sharpen one's tools. After the CNC machining program is written by the setup technician, the operator's first task is to prepare the required tools in advance. At Zhenmei Technology, CNC operators do one more thing - they use a tool inspection device to check the flatness of the tool blade and the concentricity of the tool after it is mounted in the tool holder. This ensures that the risks associated with the tool are controlled before machining, eliminating the need to check concentricity on the CNC machine and improving processing efficiency.

Inspection Process 3 - Operator Self-Check

After the CNC program is completed, the operator will perform a self-check on the machine to ensure accuracy before proceeding to the next program or stopping the machine, thus ensuring the quality of each process.

Inspection Process 4 - Inspection Rounds

Inspection personnel conduct random inspections on the work-in-progress to once again ensure the product's qualification rate.

[After Processing: Post-processing → Inspection → Surface Treatment → Inspection → Packaging and Shipping]

Remove Burrs and Deburring

For some complex and irregular parts, manual deburring is performed to ensure a smooth and burr-free product. For precision parts and mass-produced parts, Zhenmei Technology advocates for machine processing whenever possible, minimizing the need for manual handling.

Fifth Inspection Process

Colleagues from the quality department use precision instruments such as three-dimensional measuring machines, two-dimensional measuring machines, height gauges, and micrometers to measure all dimensions of the product, ensuring that the product dimensions meet the requirements of the customer's drawings.

Customized Surface Treatment

After the product passes the quality department's inspection, corresponding surface treatments are carried out according to customer requirements, such as sandblasting, oxidation, powder coating, baking paint, electroplating, silk screen printing, laser engraving, etc. Various surface treatments can be customized in different colors according to customer needs.

Sixth Inspection Process

For products with strict tolerance requirements, oxidation and electroplating have a tolerance of 0.01mm, while powder coating and painting have a tolerance of about 0.05mm. Therefore, we perform dimension inspection on all products after surface treatment to ensure that the dimensions meet the precise range required by the customer.

Customized Packaging and Shipping

After the final shipment inspection is completed, we will send the inspection results to the customer for confirmation and then proceed with packaging and shipping. For products with higher packaging requirements, we provide customized packaging materials and boxes to ensure the safe transportation of the products. For domestic customers in China, we generally choose express delivery companies such as SF Express and Kuayue to provide fast and secure transportation services. For international customers, we can choose FedEx, UPS, DHL, TNT express delivery, or various air and sea freight services according to customer requirements. Our customers are located in Europe, North America, Southeast Asia, Israel, and other regions. We are familiar with various transportation and customs clearance procedures to ensure smooth delivery of products to customers.

What You Need to Know: What Factors Affect the Cost of Machining?

The price of CNC machined parts depends on the following factors:

Processing Time

The longer the processing time required for machining a part, the higher the cost. Processing time is usually the main cost factor in CNC machining.

Surfaces and Structures

Products with multiple surfaces require multi-sided clamping and machining or the use of 4-axis or 5-axis machines. It is advisable to minimize the number of surfaces. Regarding structures, densely packed features increase the cost of processing time, and internal right angles increase the cost of electrode discharge corner cleaning, etc.

Materials and Surface Treatment

Different materials have different costs. For example, among hardware materials, steel is the cheapest, magnesium alloy is the lightest, aluminum alloy has good performance, stainless steel has good performance but is sticky to the cutting tool, and titanium alloy is expensive and difficult to machine. Surface treatments such as electroplating and oxidation require high raw material quality and excellent surface finish for the blank. Powder coating can cover slight defects, etc.

Other Manufacturing Costs

Thin-walled and elongated workpieces have the risk of deformation or scrap during machining. Non-standard precision holes and non-standard threads may require special tools, more precise quality control, and additional machining steps at lower machining speeds. This will naturally affect the total manufacturing time (and price).

Custom Tools

Angles holes require specific fixtures or indexing plates for machining, etc.

For Your Reference Only

More Consultation+

About how to optimize the design to reduce the cost of this machining:

Based on years of machining experience, Zhenmei Technology provides the following design suggestions for your reference:

Change internal right angles that are not assembly positions to rounded corners (R-angles) to reduce corner cleaning costs.
Reduce the number of dense features.
Increase the wall thickness.
Try to use standard hole sizes or standard threads.
Consult Zhenmei Technology for selecting reasonable and economical materials and surface treatments.
Only specify necessary and critical tolerances.