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High-Precision Machining from Raw Material/Blanks to Finished Components

CNC precision machining is a critical stage in the manufacturing of high-end mechanical components. By using computer-controlled machine tools for accurate material removal, complex designs are transformed into precision parts with tight dimensional tolerances, smooth surfaces, and reliable assembly.

High-Precision Machining from Raw Material/Blanks to Finished Components

CNC precision machining is a critical stage in the manufacturing of high-end mechanical components. By using computer-controlled machine tools for accurate material removal, complex designs are transformed into precision parts with tight dimensional tolerances, smooth surfaces, and reliable assembly.

High-Precision Machining from Raw Material/Blanks to Finished Components

At MATECH, we leverage over 50 imported CNC machines—including five-axis, four-axis, and high-speed milling equipment—to provide comprehensive precision machining services, from prototype development to mass production. Our CNC machining capabilities primarily cover two main manufacturing directions:


Blanks Machining:  High-precision machining of casting blanks(including steel, iron, aluminum alloy, zinc alloy, and copper alloy), forging blanks and extrusion profiles.

Machining from Solid Material: Full machining directly from solid materials such as aluminum blocks, steel blocks, copper billets and so on.


With a mature process management system and strict quality control procedures, we can consistently achieve machining accuracy up to ±0.005 mm. Whether your project requires complex surfaces, precise assembly holes, or highly demanding mating faces, our engineering team works collaboratively with you to turn your design goals into reality—efficiently and precisely.

Why Choose Matech for CNC Precision Machining?

In the manufacturing of high-precision components, whether performing machining on castings/forging blanks /extrusion profiles or full machining from solid materials, multi-process coordination directly affects final product quality, machining efficiency, and delivery stability. When turning, milling, drilling, grinding, and surface finishing are distributed across different suppliers, common issues can arise, such as: reference shifts caused by multiple re-fixturing, cumulative dimensional errors, inconsistent machining allowances on castings, deviations caused by blank deformation, difficulties in coordinating delivery schedules, and challenges in tracing quality responsibility.


MATECH’s one-stop CNC precision machining service integrates all processes within a single factory and quality system, providing fully managed operations from machining the blanks and solid materials to final inspection. For machining the blanks, we focus on controlling machining allowances, datum features, and structural stability to minimize deformation and dimensional deviation from the very beginning. For solid material machining, our multi-axis capabilities and mature process management allow us to efficiently produce complex structures and high-precision components. Simply provide your drawings or samples, and our engineering team will plan the optimal machining solution—handling programming, fixture design, and tool selection—delivering a true turnkey service.

Our CNC Precision Machining Process

step 1
Drawing Review & Programming
Our team reviews drawings or samples, evaluates manufacturability, and develops the optimal machining plan and toolpath programs.
step 2
Material Preparation
Depending on project requirements, we can process bars, plates, forged or cast blanks, extrusion profiles; and inspect material, dimensions and hardness.
step 3
Fixture Design & Fabrication
We design dedicated fixtures according to part characteristics, to ensure stable clamping and consistent reference datum. For casting machining projects, we pay special attention to blanks datum allowances and machining allowance control, to minimize deformation and dimensional deviation risks.
step 4
Rough Machining
Rapidly removes the majority of machining allowances while leaving sufficient stock for finishing.
step 5
Semi-Finishing
Brings parts closer to final dimensions, relieves internal stresses, and prepares for final finishing.
step 6
Finishing
Performs final machining in a temperature-controlled environment, strictly managing tool wear and thermal deformation.
step 7
Deburring & Cleaning
Precisely removes edge burrs, followed by ultrasonic cleaning to eliminate cutting fluids and chips.
step 8
Inspection & Packaging
Critical dimensions are measured using CMM, surface roughness testers, and other inspection equipment, with inspection reports provided. Products are then cleaned, rust-proofed, and packaged for delivery.

CNC Precision Machining Products

Alloy Steel Adapter Flange
This Alloy Steel Adapter Flange is a high-strength connecting component designed for heavy-duty hydraulic systems, power transmission shafts, industrial gearboxes, pipeline adapters, and mechanical interface connections requiring reliable load transfer and alignment.
Aluminum Extrusion Beam
This Aluminum Extrusion Beam is a lightweight structural component designed for machine frames, conveyor systems, automation workstations, solar panel mounting structures, and industrial assembly lines.
Aluminum Pump Housing
This Aluminum Pump Housing is a precision fluid containment and flow control component designed for water pumps, oil pumps, hydraulic systems, fuel pumps, and industrial fluid transfer equipment.
Aluminum Mounting Fixture
This Aluminum Mounting Fixture is a precision positioning and clamping component designed for assembly lines, CNC workholding systems, inspection stations, robotic end effectors, and custom industrial tooling applications.
Aluminum Pneumatic Valve Block
This Aluminum Pneumatic Valve Block is a precision fluid distribution component designed for pneumatic control systems, automated machinery, industrial robotics, valve manifolds, and factory automation equipment.
Aluminum Equipment Base Plate
This Aluminum Equipment Base Plate is a precision mounting and support component designed for electronic enclosures, industrial automation equipment, medical devices, robotic systems, and test & measurement instruments. It is manufactured by our in‑house CNC precision machining process.
Stainless Steel Perforated Filter Cartridge
This Stainless Steel Perforated Filter Cartridge is a high‑precision filtration component designed for liquid filtration systems, gas scrubbers, chemical processing equipment, pharmaceutical production lines, and industrial water treatment plants. It is manufactured by our in‑house CNC precision machining process.
Steel A/C Compressor Clutch Pulley
This Steel A/C Compressor Clutch Pulley is a precision power transmission component designed for automotive air conditioning systems, heavy‑duty truck AC units, and off‑highway vehicle climate control systems. It is manufactured by our in‑house CNC precision machining process.
CNC Machining Steel Conveyor Roller
This CNC Machining Steel Conveyor Roller is a precision cylindrical component designed for conveyor systems, material handling equipment, printing machinery, packaging lines, and industrial automation applications. It is manufactured by our in-house CNC precision machining process. The use of 45# medium carbon steel provides an excellent balance of high strength, good wear resistance, excellent machinability, and reliable performance under continuous rolling contact and moderate impact loads.

Applicable Scenarios

Our CNC precision machining services are widely applied to the following components:

Construction Machinery Parts
Support flanges, bushings, pins, shaft
Pump & Valve Components
Valve covers, pump housings, impellers, sealing covers, pump shafts, pipe fittings
Home Appliances & Hardware
Fasteners, seals, piping accessories, and more
Medical & Instrumentation
Surgical instrument components, precision shafts, sensor housings
Automotive Parts
Engine brackets, motor housings, metal sensor housings, steering knuckles, chassis connectors
Automation Equipment
Robot arm connectors, linear guide blocks, positioning plates
Aerospace
Aircraft structural parts, connectors, thin-walled housings

Our Service Process

From request to delivery, every step is clear and transparent

01
Drawing & Requirement Communication
You provide 2D/3D drawings, material specifications, quantities, tolerance requirements. We evaluate manufacturability and provide preliminary process recommendations.
Timeline: 1 business day
02
Tech Solution & Quotation
Our engineers develop the machining process, tooling, and fixture plans based on part structure, and provide a detailed quotation (including materials, tooling costs, unit price, and estimated lead time).
Timeline: 2–5 business days
03
Sample Production
Samples are machined according to the confirmed process and inspected in full dimensions. Third-party inspection is available. Batch orders can be confirmed only after sample approval.
Timeline: 10–25 business days (depending on part complexity)
04
Mass Production
After sample confirmation, process parameters are finalized, and statistical process control (SPC) is implemented. Production progress is monitored in real time, with either 100% inspection or sampling for each batch.
Timeline: 20–30 business days (depending on order quantity and part complexity)
05
Delivery & Support
Products are treated for rust prevention, professionally packaged, and prepared for shipment. Dimensional inspection reports and material certificates are provided. Various shipping options are available upon request, including sea, air, and express delivery.
Ready to Start Your Project?

Whether you need prototype samples or mass production, MATECH’s CNC engineering team is ready to deliver the optimal machining solution.

CNC Precision Machining Service Capability

Our service capabilities cover five major areas: two machining modes, equipment capabilities, machining tolerance & capability, material range, and quality control.

Two Machining Modes
Equipment Capabilities
Machining Tolerance & Capability
Material Range
Quality Control

We offer two tailored precision machining solutions based on your part characteristics, order quantity, and cost targets: Finish machining from blanks(casting, forging, extrusion profile) vs. direct full machining from raw materials (bars, plates, tubes)

Comparison Item From Blanks to Finished Machining Direct Machining from Raw Materials (Bars / Plates / Tubes)
Applicable Scenarios Complex internal cavities, thin-walled structures, large-volume production High internal density requirements, no need for mold development, single-piece / small-batch production
Material Utilization High. The blanks are close to final shape, minimal waste Low. A large amount of material is removed as chips
Unit Cost Cost advantage in large-volume production Cost controllable for small batches, no mold cost
Mold Investment Requires molds (one-time investment) No molds required
Machining Allowance Small, shorter rough machining time Large, longer rough machining time
Internal Quality Castings may have porosity, shrinkage, and other defects Deformed aluminum bars/plates/tube are dense inside, no casting defects
Mechanical Properties Depends on blanks manufacturing process and heat treatment Deformed aluminum has uniform, isotropic properties
Typical Parts Engine brackets, transmission housings, pump bodies, wheel hubs Precision bushings, flanges, connection plates, heat sinks, fixtures

MATECH Recommendations:

• For parts with complex internal cavities or thin-walled structures, when annual usage exceeds 1,000 pcs and batch volume exceeds 500 pcs, we recommend the blanks-to-finished machining route, which can significantly reduce overall costs.

For parts requiring high internal density, in the R&D stage, or needing rapid delivery, we recommend the direct full machining from raw materials (bars, plates, tubes) route, which eliminates mold lead time and provides flexible, efficient production.

A hybrid approach is also possible: initially machine a small quantity of samples from raw materials to validate the design; and once finalized, switch to making new molds for a seamless transition to mass production.

EquipmentType Quantity Machining Range Key Characteristics
5-axis linkage machining center 5 unit 800×600×500mm One-time clamping finishes machining for complex surfaces and polyhedrons.
4-axis CNC machining center 8 unit 1200×800×600mm Suitable for rotary parts and multi-face machining.
WMC/Vertical Machining Center 15 unit 1000×600×500mm High rigidity, suitable for heavy cutting of steel parts.
High-speed CNC Milling Center 6 unit 800×500×400mm Spindle 24000RPM, ideal for thin-wall machining and high smoothness finish.
CNC Turning Center with Mill-Turn Function 12 unit Max Swing Diameter Ø500mm,Length 1000mm Machinable for shafts and discs; partial powered tool post equipped.
Gantry CNC Machining Center 2 unit 4000×2000×1800mm Suitable for large plate and frame type parts.
Deep hole drilling machine 2 unit Max depth 1500mm Depth-to-Diameter Ratio 30:1 Specialized in oil passage and through hole processing.
Precision Grinder 4 unit Equipped with surface, cylindrical and internal grinding functions. Reach to Ra 0.2μm
CapabilityItems Parameter Range Specification Description
Size Tolerance ±0.005~±0.01mm(High accuracy);±0.02~±0.05mm(Standard accuracy) Constant temperature environment, precision clamping
Position/Coaxiality Tolerance 0.01~0.05mm Ensure one-setup clamping with 4-axis / 5-axis machining fixtures
Surface Roughness Ra 1.6~3.2μm(Milling/Turing);Ra 0.4~0.8μm(Grinding) Select process as required
Min. hole dia. Ø0.3mm Micro-hole Drilling
Min. Wall Thickness 0.5mm(aluminum parts);1.0mm(steel parts) Special Tools & Strategies
Maximum Part Dimensions 4000×2000×1800mm Big parts
Batch Consistency CpK ≥1.33 SPC Control on Key Dimensions

Carbon steel: A36, 1045, Q235, Q345

Alloy steel: 40Cr, 42CrMo, 4140, 4340, 8620

Stainless steel: 304, 316, 17-4PH, 410, 420

Cast iron: HT200, HT250, QT500-7

Aluminum alloy: 6061, 7075, 2024, A356

Copper alloy: Brass, bronze, beryllium copper

Engineering plastics: POM, Nylon, PEEK, PTFE


Material certificates are available. Customer-supplied materials are also accepted for processing.

All inspection data is traceable, and detailed test reports are provided.

Inspection Items Equipment Type Precision/Capability
Full-size Measurement CMM Precision±0.005mm
Geometric Tolerance CMM 、Roundness Tester Capable of measuring flatness, roundness, coaxiality, etc.
Surface Roughness Roughness Meter Ra/Rz/Rq Multi-parameter
Hardness Inspection Rockwell / Brinell / Vickers Hardness Tester Suitable for various materials
Thread Inspection Thread Gauge / Three-wire Method / Thread Micrometer Go/No-Go Gauge / Pitch Diameter Inspection
Cleanliness Testing Cleanliness Cabinet / Microscope Particle Size Analysis (On-demand)
NDT PT / MT (Outsourced) Surface Crack Testing

Related Cases

American Modified Car Engine Manufacturer × Matech: Investment Casting 304 Stainless Steel Exhaust Manifold
Our client is a U.S.-based automotive modification and after-sales service manufacturer specializing in high-performance racing engine modification, and serving professional racing teams and performance enthusiasts.
R&D of Stainless Steel Chain Links for Top Three European Agricultural Machinery Customer
A globally top-three ranked European agricultural machinery manufacturer encountered a critical bottleneck in the development of its core high-speed grape harvester. The harvester's efficient operation relies entirely on a precise chain-type transmission mechanism, whose reliability in power transmission and motion execution hinges on a set of core link components.
Customized High-Strength, Wear-Resistant Conveyor Drive Chains for a Local Philippine Solid Waste Management Company
Our partner is a Philippines-based integrated hazardous waste management company, offering one-stop services including hazardous waste collection, incineration, secure landfill and road transportation, with a total daily processing capacity of 6,000 tons.
European Leading Special Equipment Designer×MATECH Sand Casting Precision CNC-Machined Ductile Iron Parts for Mechanical Hydraulic System
Our client is a leading designer for special equipment, headquartered in Europe, known for creating high-end special equipment designs and customized advanced equipment solutions.
Frequently Asked Questions
1
What is the highest precision of MATECH's CNC machining?
Under constant temperature environment with high-precision machining centers and precision clamping, the maximum dimensional tolerance can reach ±0.005mm, and position tolerance can reach 0.02mm~0.05mm.The actual precision depends on part structure, material and size. We will provide a feasible precision solution during the pre-production process evaluation.
2
What is the difference between "machining from blanks" and "full machining from solid raw material" ? How to choose?
Machining from blanks is suitable for parts with existing blanks(such as castings, forging, extrusion profile). It costs less and fits medium and large batch production. Full machining from solid material requires no mold, ideal for quick sampling and small batch orders. It features high material compactness and no casting defects.We will recommend the best solution according to your drawings, order quantity, budget and performance requirements.
3
Do you support one-piece customization?
Yes, we do. We accept single-piece sample for R&D verification, which can be directly machined from standard bar, plate or pipe materials.The minimum order quantity for mass production can be negotiated based on part complexity and material.
4
What stainless steel materials can you machine? What is the machining precision?
We can machine common stainless steels including 304, 304L, 316, 316L, 17-4PH, 410, 420 and 430. Stainless steel machining has high requirements for cutting tools and cooling. We use dedicated carbide tools and high-pressure internal cooling. The dimensional tolerance can reach ±0.01mm, with surface roughness up to Ra 1.6μm.
5
How do you ensure consistency of mass-production parts?
We confirm the process with full dimensional inspection of the first article.We apply Statistical Process Control (SPC) during production, and inspect key dimensions by sampling every 20 to 50 pieces, with final batch sampling or full inspection. The required CpK value is ≥1.33. All programs, cutting tools and fixtures are standardized.
6
Do you provide technical support and suggestions for 3D models and 2D drawings?
Yes. Our engineers can assist with Design for Manufacturability (DFM) analysis, and optimize chamfers, fillets and tolerance markings, to reduce machining costs.We accept files in formats such as STP/STEP, IGS/IGES, DWG and PDF.
7
What is your general lead time?
Sample machining usually takes 10–25 working days, and mass production takes 20–30 working days. The exact delivery time depends on part complexity, quantity and current production capacity. We will provide an estimated lead time for your reference when quoting.

Contact Us

Let's Discuss Your Needs
Contact us now! Our technical team and mechanical engineers are ready to provide one-stop support for your project from requirement review, quotation to delivery.
Send E-Mail If You Need Any Help
Professional Manufacturer of Precision Metal Parts & Conveyor Chains
Contact Us
Tel: 0086 21 56076732
Mobile Phone: 0086 13818971637
Address: 1st Floor, Building 8, No. 868 Xinge Road, Xinqiao Town, Songjiang District, Shanghai, China
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