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Precision CNC Machining

Your Leading Precision CNC MachiningSupplier

SHD Technology Co., Ltd. established in 2008, is a pure-play enterprise dedicated to developing and manufacturing nonstandard machine parts and equipment processing. Our main business are precision CNC machining, 2K overmolding service, 3D printing for plastic, 3D printing for metal, injection mold products, precision hardware, etc. Products mainly cover precision automatic equipment parts, tooling fixtures, mold tools, mobile phone accessories, automotive parts, medical equipment parts, food machinery, sewing machinery, aerospace, solar and electronic equipment, photoelectric communication, office automation, industrial equipment, laser equipment, household appliances, highways, barrier gate parts and other industries.

Machining Components

CNC machining leaves visible tool marks during the process of removing portions of the block's surface to create desired shapes. If don't want as-machined parts, select a surface finishing for your

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Precision CNC Machined Components

In the vast starry sky of modern manufacturing, precision CNC machining parts are like bright stars. With their unparalleled precision, complex and changeable forms, and efficient and stable

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Precision Parts Machining

Three-axis CNC milling remains one of the most popular and widely used machining processes. In three-axis machining, the workpiece remains stationary and a rotating tool cuts along the X, y, and Z

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CNC high-speed parts processing

In the field of precision machining in the manufacturing industry, CNC high-speed parts processing has become an indispensable part of modern industrial production with its high efficiency and

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CNC Complex Machining Parts

With precision CNC machining services, SHD is your ideal partner to create precision machined prototypes and parts. Our standard CNC machining tolerances for metals is ISO 2768-f and for plastics is

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High Precision CNC Machining Parts

This type of product has a wide range of applications. Due to its low processing difficulty, low cost, fast aging, and wide range of materials, it is used by many start-up companies and some large

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Why Choose Us?

Broad Market

Our products have been sold all over the world including America, Britain, Germany, Israel, Greece, Sweden, Malaysia, Australia, Russia, Japan etc.

Rich Experience

After 15 years of unremitting efforts, SHD has become a powerful machining enterprise in Shenzhen. Owning advanced technologies and strong technical force, can meet the needs of different customers.

Production Capacity

Our company mainly for precision plastic mold processing and injection molding, with an annual output of 600 sets of molds, including 20 sets of injection molding equipment, and the tonnage of the machines ranges from 80T-750T to meet the needs of different customers.

Quality Inspection

The company has more than 40 professional manufacturing and assembly equipment, and the quality department is equipped with various imported high-precision testing equipment to ensure the accuracy and reliability of product quality.

Advantages of Precision CNC Machining

High precision and stability

CNC high-speed parts processing can simulate, predict and solve potential problems before processing through precise programming and simulation technology. It ensures high precision and stability during the processing, avoiding processing errors and material waste.

High adaptability

CNC high-speed parts processing can adapt to a variety of materials (such as aluminum alloy, stainless steel, titanium alloy, etc.), and ensure the processing quality of different materials by accurately controlling the selection and installation of tools. Especially in the manufacture of precision parts, it has strong adaptability.

Online detection

The online detection system equipped with CNC machine tools can monitor key dimensions and geometric tolerances in real time. Once deviations are found, they can be adjusted in time to ensure that the processing accuracy of parts always meets the design requirements. This continuous quality control effectively avoids the production of unqualified products.

High surface quality

During the CNC high-speed parts processing, the CNC system monitors parameters such as cutting force and temperature in real time, and automatically adjusts the cutting conditions to ensure the surface quality and finish of the parts. In addition, post-processing processes (such as deburring, cleaning, rust prevention, etc.) further improve the surface quality and durability of parts.

Precision CNC Machining: Tolerances and Standards

Standards	CNC Milling	CNC Turning	Remark
Maximum Part Size	4000×1500×600 mm	200×500 mm	With precision CNC machining services, SHD is your ideal partner to create precision machined prototypes and parts. Our standard CNC machining tolerances for metals is ISO 2768-f and for plastics is ISO 2768-m. We can also achieve special tolerances as long as you indicate your requirements on your drawing.
Maximum Part Size	157.5×59.1×23.6 in.	7.9×19.7 in.
Minimum Part Size	4×4 mm	2×2 mm
Minimum Part Size	0.1×0.1 in.	0.079×0.079 in.
Minimum Feature Size	Φ0.50 mm	Φ0.50 mm
Minimum Feature Size	Φ0.00197 in.	Φ0.00197 in.
Standard Tolerances	Metals: ISO 2768-f	Metals: ISO 2768-f
Standard Tolerances	Plastics: ISO 2768-m	Plastics: ISO 2768-m
Linear Dimension	+/- 0.025 mm	+/- 0.025 mm
Linear Dimension	+/- 0.001 in.	+/- 0.001 in.
Hole Diameters	+/- 0.025 mm	+/- 0.025 mm
(Not Reamed)	+/- 0.001 in.	+/- 0.001 in.
Shaft Diameters	+/- 0.025 mm	+/- 0.025 mm
Shaft Diameters	+/- 0.001 in.	+/- 0.001 in.
Edge Condition	Sharp corner will be removed in the form of a chamfer or radius. The size of the chamfer, or resulting radii, must be indicated on the drawing.
Threads and Tapped Holes	Diameter: Φ1.5-5 mm, depth: 3×diameter	Diameter:Φ1.5-5 mm, depth: 3×diameter
	Diameter: Φ5 mm or more, depth: 4-6×diameter	Diameter: Φ5 mm or more, depth: 4-6×diameter
	SHD can produce threads of any specification and size required by our customers.
Text	Minimum width of 0.5 mm, depth of 0.1 mm	SHD can use laser marking to create standard text for CNC turned parts.
Text	SHD can use CNC engraving or laser carving to create standard text based on customers' requirements.

Materials Suitable for Precision CNC Machining

Metals
●Aluminum: Known for its lightweight and strength, aluminum is a popular choice for CNC machining. It's easy to machine and is used widely in aerospace, automotive, and consumer electronics for parts like enclosures, chassis, and brackets.
●Steel: Steel variants, including stainless steel, are favored for their robustness and durability. They are often used in the manufacturing of high-strength parts like gears, shafts, and components for heavy machinery.
●Brass: Brass is a metal alloy made of copper and zinc. It's known for its excellent machinability and is often used in applications that require corrosion resistance, like plumbing fixtures and electrical components.

Plastics
●ABS (Acrylonitrile Butadiene Styrene): ABS is a common thermoplastic with good mechanical properties, including toughness and impact resistance. It's ideal for functional prototypes, consumer goods, and automotive components.
●Polycarbonate: This plastic is known for its extraordinary toughness and temperature resistance. It's transparent and can be used for applications like protective gear, lenses, and in some cases, transparent enclosures.

Composites
Composites, like carbon fiber reinforced plastics, are used in CNC machining for applications that demand high strength-to-weight ratios. They are prevalent in aerospace, automotive racing, and sporting goods due to their lightweight and strong characteristics.

Precision CNC Machining Process

01/

Design Using CAD
The process begins with a rough sketch of the part. Then, engineers use CAD software to create a graphical model, laying the foundation for the design.

02/

Conversion to CAM
A CNC machine cannot directly interpret a graphical model; it requires machine-readable code. It came as a separate module but most modern CAD software now includes CAM capabilities.

03/

Material Selection and Preparation
The choice of material primarily depends on the part's requirements, machinability, and cost. In most applications where hardness and strength are required, usually steel is the first choice. When weight is a concern, for instance in aerospace applications, manufacturers may choose lightweight aluminum.

04/

Setup of Precision Machinery
The machine setup includes selecting and precisely calibrating the precision machine tools, checking the fluid and coolant levels, and possibly running a dry run to ensure everything is set correctly.

05/

Execution of Machining
Once everything is set up, the machining process can begin. During the process, monitor the initial stages of the process. Some machines may require a technician's attention for adjustments, for instance, calibrating tool positions or modifying feed rates to accommodate variations in material hardness or tool wear.

06/

Post-Processing Steps
Although precision machined parts often emerge from the machine close to their final form, some may require additional finishing, such as polishing or grinding. The last step is quality assurance checks to confirm that each part adheres to the specified precise dimensions.

Certificate

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Packaging & Shipping

① Packaging

• Common package: 1 item packed with bubble or pearl cotton inner, than packed with double master carton.

• Packing details: Packing based on the image, 60PCS/carton, other package according to your goods.

• Delivery details: 3-30 days based on your quantity.

productcate-957-670

② Shipping

• Af first,we will shipping according to your requirement.

• Than,we will choose better shipping way for you if you need. We provide multi shipping method, such as shipping by air, by express, by train, by sea.

• As for the trade term, we provide FOB price, CIF price, CNF price, DDU price, DDP price and EXW price term.

productcate-966-651

FAQ

Q: What is the accuracy level that can be achieved in precision CNC machining?

A: In general, modern precision CNC machining can achieve accuracies within the range of ±0.01 to ±0.001 millimeters, depending on the specific machine tools, cutting tools, and the complexity of the workpiece.

Q: What is the minimum feature size that can be achieved in precision CNC machining?

A: Generally, with modern CNC machining technology, feature sizes as small as 0.1 to 0.5 millimeters can be achieved for most materials. However, for some high - precision applications and specialized machines, even smaller feature sizes down to a few micrometers may be possible.

Q: What types of materials can be processed by precision CNC machining?

A: A wide variety of materials can be processed, including metals such as aluminum, steel, titanium, and copper, as well as non - metals like plastics, ceramics, and composites.

Q: How do you ensure the quality of precision CNC machining parts?

A: First, the machine tools are regularly calibrated and maintained to ensure accurate performance.
Second, the programming is carefully verified and simulated before actual machining to avoid errors. During the machining process, in - process inspections are carried out to check the dimensions and surface finish of the workpiece.
Finally, after machining, the parts are inspected using precision measuring instruments such as coordinate measuring machines (CMMs) to ensure they meet the specified tolerances.

Q: Can precision CNC machining handle complex geometries?

A: Yes. CNC machines can be programmed to perform multi - axis machining, allowing for the creation of intricate shapes, curves, and internal features that would be difficult or impossible to achieve with traditional machining methods. This makes it suitable for applications such as aerospace, medical, and automotive industries where complex parts are common.

We're well-known as one of the leading precision cnc machining manufacturers and suppliers in China. If you're going to buy bulk high quality precision cnc machining made in China, welcome to get free sample from our factory. For custom service, contact us now.

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