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What is CNC Precision Machining?
Generally, CNC precision machining refers to a series of precise machining process which is controlled by the computer numerical control system. Such as CNC turning, CNC milling, and CNC boring etc. CNC precision machining is working by shaping or reducing the extra material of the raw material to meet specific and precise dimensions of workpiece. This manufacture process need the blueprints or drawings which were made by CAD and CAM designs.
CNC Precision Machining Applications
Due to its versatility, cost and time efficient process, precision machining is gradually taking over in the manufacturing industry. Precision machining processes are used in the following industries.
Automotive Industry
As automotive companies come up with new innovations to add to their latest iteration of vehicles, they need to develop prototypes of these parts before adding them to the production line. CNC precision machining is responsible for developing these prototypes to exact specifications. The technology also makes parts for other transportation vehicles such as ships, transport trucks and more.
Aerospace Industry
From transport planes to space shuttles, aerospace vehicles require very precise devices, as a single error can lead to serious damage to different aircraft. CNC precision machining processes are responsible for manufacturing many parts for this industry, such as landing gear ports, bushings, manifolds, airfoils, etc.
Medical Industry
Medicine is rapidly evolving as the need for new devices emerges. In addition to producing new equipment, they need a lot of existing equipment. Precision CNC machining is responsible for manufacturing this equipment. Examples of such devices include orthopedic devices, safety enclosures, implants, MRI machines, research equipment, etc.
Military and Defense Industry
CNC has never been more important, as different countries have different designs for new munitions and defense systems. Precise machining processes are responsible for bringing all these designs to life using a variety of materials and processes. Examples of equipment manufactured for this industry include aircraft components, transportation components, communication components, munitions, and more.
Advantages of High Precision CNC Machining
Using these high precision machines in your manufacturing process will certainly provide many advantages.
Lower production costs
In terms of price, CNC precision machining is a good option, especially if you want to manufacture a few to a hundred parts. The process requires lower upfront costs compared to the cost of injection molding (due to the cost of creating the molds).
Increased speed
Compared to injection molding, CNC machines offer higher speeds. Unlike injection molding, which can take months to create molds and ensure that parts are within tolerance, CNC machining can produce parts in a matter of weeks.
Consistent machining quality, high machining accuracy and repeatability.
At Kesu Hardware, we specialize in Precision CNC machining service for the complex and nonstandard components. No MOQ, High Precision and Reasonable Price.
Kesu Group Providing precision CNC Machining Service for all kinds of plastic and metal parts. Available for different kinds of demands, no matter it's small size or large size, low-volume or high volume. Some precision can be as high as ±0.001 mm. Kesu Group have great advantage on the service of large CNC machining, mass production CNC machining and small batch CNC machining.
Upload your 2D & 3D drawings, along with the material, finish, and quantity. Get instant quote now! You can also send RFQ to enquiry@kesugroup.com directly.
Kesu's Machines
| Machines | |||
| Machine | Quantity | Brand | Max Part Size |
| 3-Axis CNC Machine | 50 | 1500 x 800MM | |
| 4-Axis CNC Machine | 20 | AutoCam | D600 x L1200MM |
| 3+2 Axis CNC machine | 10 | AutoCam | D500MM |
| 5-Axis CNC Machine | 12 | Jingdiao/DMG/ AFMING/Roders | D600MM |
| 6-Axis CNC Machine | 2 | DMG Mori | D300 x L1200MM |
| Lathe Machine | 2 | D600 x L1200MM | |
| CNC Lathe Machine | 50 | Tsugami | D300 x L1200MM |
| Lathe-Mill Machine | 10 | Tsugami | D300 x L1200MM |
| 5-Axis Lathe-Mill Machine | 1 | Mazak/DMG Mori | D300 x L1200MM |
| CNC Swiss Type Automatic Lathe | 10 | Tsugami | D30 x L500MM |
Inspection Equipment
| Equipment | Quantity | Brand |
| CMM | 2 | LEAD |
| 2.5D | 3 | |
| XRF Spectrometer | 1 | HITACHI |
| Altimeter | 1 | |
| Calliper | 20 | |
| Micrometer | 10 |
Kesu's Best Tolerance
| Tolerance of Metal(mm) | Tolerance of Plastic(mm) | |
| Linear Dimensions | ±0.01 | ±0.05 |
| Diameter | ±0.002 | ±0.02 |
| Precise Hole | ±0.002 | ±0.02 |
| Chamfer Heights | ±0.02 | ±0.05 |
| Angular Dimensions | ±0º5′ | ±1º |
| Straightness | ±0.002 | ±0.02 |
| Flatness | ±0.002 | ±0.01 |
| Perpendicularity | ±0.002 | ±0.01 |
| Symmetry | ±0.002 | ±0.01 |
| concentricity | ±0.002 | ±0.005 |
| parallelism | ±0.001 | ±0.01 |
Aluminum is one of the most commonly used metals in machining, as it has excellent strength-to-weight ratio, low cost, and recyclability.
Alloys:
AL5052-T651, AL6061-T651, AL 7075-T651, AL6082-T651...
Finish Options:
A.Polishing, B.Grinding, C.Brushing, D.Sandblasting, E.Painting, F.Powder Painting, G.Anodizing , H.Hard anodized, I.Teflon Coating, J.Laser Marking, K.Silk Screen, L.Transfer Printing.
Brass is a free machining metal, and it is commonly used for a variety of parts including gears, lock components, pipe fittings, and ornamental applications.
Alloy:
Brass-H59, Brass-H62, Brass-H59, Brass-H62, Brass-HA177-2, Brass-HMn58-2, Brass-HPb59-1, Brass-HSn62-1...
Finish Options:
A.Polishing, B.Grinding, C.Brushing, D.Laser Marking, E.Silk Screen, F.Transfer Printing.
Bronze is a high strength alloy with good wear and corrosion resistance due to its tin, iron, and zinc content. Normally, the tin content is range from 3%-14%.
Alloy:
QSn-6-6-3
Finish Options:
A.Polishing, B.Grinding, C.Brushing, D.Laser Marking, E.Silk Screen, F.Transfer Printing.
Copper has excelent electricity and thermal conductivity, which is widely used in electrical applications.
Alloy:
T1、T2、T3、TU1、TU2b
Finish Options:
A.Polishing, B.Grinding, C.Brushing, D.Laser Marking, E.Silk Screen, F.Transfer Printing.
Magnesium Alloy is a high strength alloy with low density, and is widely used in aviation, aerospace and transportation etc.
Alloys:
AZ31, AZ41, AZ61...
Finish Options:
A.Polishing, B.Brushing, C.Sandblasting, D. Micro Arc Oxidation
Stainless steel is a high strength alloy with high hardness and great resistance to corrsion and rust due to its chrome and carbon content.
Alloys:
201, 303, 304, 316, 410, 420, 17-4PH...
Finish Options:
A.Polishing, B.Grinding , C.Brushing, D.Sandblasting, E.Painting, F.Powder Painting, G.Passivation, H.Zinc Plating, I.Black & zinc, J.Teflon, K.Titanium Coating , L.Laser Marking , M.Silk Screen , N.Transfer Printing .
Titanium Alloy is a high strength alloy with great resistance to corrosion and thermal, and it's widely used in the engine components, turbine blades and medical equipment.
Alloys:
Grade 1, Grade 2, Grade 3, Grade 4, Grade 5
Finish Options:
A.Polishing, B.Grinding, C.Brushing, D.Sandblasting, E.Laser Marking, F.Silk Screen, G.Transfer Printing.
The tool steel has high hardness, strength, wear resistance, sufficient toughness, and other process properties.
Alloys:
A2, D2, D3...
Finish Options:
A.Polishing, B.Grinding, C.Brushing, D.Sandblasting, E.Painting, F.Powder Painting, H.Hard anodized, I.Passivation, J.Zinc Plating, K.Electroless Nickle Plating, L.Chrome Plating, M.Blacken/ Black Oxide, N.Black & zinc, O.Teflon, P.Titanium Coating, Q.PLC Coating, R.Laser Marking, S.Silk Screen, T.Transfer Printing .
Zinc Alloy is low melting point alloy with great fluidity, and easy for welding, brazing and reform processing, and it is widely used in the casting industry.
Alloys:
Z13001, Z15001, Z19001 ...
Finish Options:
A. Polishing, B.Grinding, C.Sandblasting, D. Nickle Plating, E.Painting
ABS is a low-cost plastic with good comprehensive performance, and widely used in machinery, electrical, automobile and aircraft.
Available Color: Natural, Black
Available Finish: Painting
Ceramics is high brittleness material with high melting point, high hardness, high strength, good wear resistance and great oxidation resistance, as well as good electrical insulation.
Available Color: White
Delrin is a POM material, which belong to the Dupont Company. Delrin has low-friction, high-stiffness, and a relatively high toughness and minimal elongation, as well as excellent dimensional accuracy.
Available Color: White, Black
High-density polyethylene (HDPE) has great resistance to acid, alkali and organic solvent, as well as excelent electrical insulation. It's widely used in plugs and seals.
Available Color: Black, White
Nylon is a popular plastic which has great resistance to friction and chemical wear, as well as great electrical insulation.
Available Nylon: PA6, PA66
Available Color: White, black or others.
Polycarbonate (PC), is heat-resistant, impact-resistant, flame-retardant, and one of the most common plastics used in manufacturing.
Available Color: Clear, black, glossy
Polyethene(PE), has great resistance to acid and alkali, and good electrical insulation. It's widely used in plastic injection and machining.
Available Color: Black, white
Usually, PEEK is used to machine high precision plastic parts. It has great resistant to moisture, wear, chemicals, high temperature, high electricity, sunshine etc.
Available PEEK: German Imported PEEK, Japan Imported PEEK
Available Color: Opaque beige
Acrylic or PMMA, is a scratch-resistant plastic material, often used for tanks, panels, and optical applications.
Available Color: Optically clear, opaque
Polypropylene (PP) resists most solvents and chemicals, which makes it a wonderful material to manufacture laboratory equipment and containers for a variety of applications. PP also offers good fatigue strength.
Colors: White (semi-clear or opaque)
Commonly known as Teflon, PTFE resists high temperatures and chemicals/solvents excellently in and is also a great insulator. It is also a very slippery plastic, which makes it a good material for low-friction applications such as bearings.
Available Color: Black, white (opaque)
Applicable Material
Aluminium, Steel, Stainless Steel, Brass, Bronze, Copper, Titanium, Magnesium, ABS, HDPE, Nylon, PC, POM, PMMA, PTFE
Applicable Material
Aluminium, Steel, Stainless Steel,Brass, Bronze, Copper, Titanium, Magnesium, ABS, HDPE, Nylon, PC, POM, PMMA, PTFE
Applicable Material
Aluminium, Steel, Stainless Steel,Brass, Bronze, Copper, Titanium, Magnesium, ABS, HDPE, Nylon, PC, POM, PMMA, PTFE
| Tolerance for Metal Parts | |
| ISO 2768-F | |
| Table 1 - Linear Dimensions | |
| Permissible deviations in mm for ranges in nominal lengths | Tolerance Class Designation (Description) |
| f (fine) | |
| 0.5 up to 3 | ±0.05 |
| over 3 up to 6 | ±0.05 |
| over 6 up to 30 | ±0.1 |
| over 30 up to 120 | ±0.15 |
| over 120 up to 400 | ±0.2 |
| over 400 up to 1000 | ±0.3 |
| over 1000 up to 2000 | ±0.5 |
| over 2000 up to 4000 | – |
| For nominal sizes below 0.5 mm, the deviations shall be indicated adjacent to the relevant nominal size(s). | |
| Tolerance for Plastic Parts | |
| ISO 2768-M | |
| Table 1 - Linear Dimensions | |
| Permissible deviations in mm for ranges in nominal lengths | Tolerance Class Designation (Description) |
| m (medium) | |
| 0.5 up to 3 | ±0.1 |
| over 3 up to 6 | ±0.2 |
| over 6 up to 30 | ±0.3 |
| over 30 up to 120 | ±0.5 |
| over 120 up to 400 | ±0.8 |
| over 400 up to 1000 | ±1.2 |
| over 1000 up to 2000 | ±2.0 |
| over 2000 up to 4000 | – |
| For nominal sizes below 0.5 mm, the deviations shall be indicated adjacent to the relevant nominal size(s). | |
CNC Machined parts have the true properties of the material you select. The precise CNC machining process allows you to get parts machined from blocks of solid plastic and metal in the same time frame.
We mill and turn low quantities of parts very quickly. Typical quantities are one to 200 pieces and manufacturing times are 1 to 3 business days. We offer product developers parts machined from engineering-grade materials that are suitable for functional testing or end-use applications.
CNC machining is more expensive than plastic 3D printing, but it is the most feasible option for metal visual prototypes given the high cost of metal 3D printing and metal casting.
The Advantage of Precise CNC machining
The CNC machining is much faster compared with the traditional manual machining. As long as the the computer code is correct and complied with right design, the accuracy of finished products will be very high, and the deviation will be very small.
CNC manufacturing is an ideal manufacturing method for rapid prototyping. CNC machining can also be used to manufacture end-use products and components.
At Kesu Hardware, we provide high precision CNC machining Services for complex and difficult parts in Aluminium 7075, Titanium, Magenisium, Inconel 718, Stainless Steel 17-4PH, Hastelloy(C276, B2, C4, C22, C2000), Ceramics, ABS, PEEK etc. One-stop manufacturing service for large parts, intricate parts and high precision parts in both low-volume and high-volume.
We're ready to take on jobs of any size, from a single part to one million parts, for CNC milling and CNC turning.
Upload your 2D & 3D drawings, along with the material, finish, and quantity. Get instant quote now! You can also send RFQ to enquiry@kesugroup.com directly. Kesu Group will share you valuable suggestions on mechanical precision engineering and mechanical parts processing.
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Keywords: CNC Swiss Machining Service, Metal 3D Printing, 5-axis machining, Sheet Metal Fabricating, CNC Machining, Rapid Prototype
