Products Description
HPCNCParts delivers bespoke precision CNC machining for miniature‑size metal and plastic parts. All components are built strictly following customer‑supplied engineering drawings, native CAD data or physical sample parts.
Small‑format CNC components frequently come with challenging features: tiny holes, narrow slots, thread profiles, deep pockets, shaft sections, internal bores and tight‑clearance mating surfaces. To hold consistent dimensions throughout production runs, proper cutting‑tool selection, secure fixturing and well‑thought‑out machining workflows are essential.
Our shop floor carries out full‑scope manufacturing work: CNC milling, CNC turning, drilling, tapping and thread generation. For complex‑shaped workpieces demanding multi‑side machining or angled tool access, we deploy 4‑axis and 5‑axis CNC equipment as dictated by part geometry.
We process a broad range of mainstream engineering materials: aluminum, stainless steel, carbon steel, brass, titanium, plus performance‑grade engineering plastics. Secondary surface treatments including anodizing, polishing, sandblasting, black oxide finishing and metal plating are available to match real‑world operating conditions of your parts.
No matter if you only need a handful of prototype units or ongoing batch reproduction of your precision small‑size parts, feel free to submit your drawing or CAD files. Before issuing formal quotes, our in‑house engineering group will carry out full reviews covering part geometry, material specification, tolerance limits and feasible manufacturing routes.
Company Profile
On-demand Machining service
Xi 'an Hi-Precision Machinery Co., Ltd
On‑Demand CNC Machining Service
Xi'an Hi‑Precision Machinery Co., Ltd. focuses on custom CNC manufacturing for high‑precision metal and plastic parts.
We have close to 15 years of hands‑on background in CNC machining. Our workshop runs 24 units of 4‑axis, 5‑axis and vertical CNC machining centers, supported by dedicated drilling, tapping and engraving machinery. The facility is also equipped with 12 high‑precision CNC turn‑mill machines fitted with auto‑feed systems, alongside additional CNC lathes for turning jobs.
Our in‑house production workflow covers every stage: order evaluation, raw material kitting, CNC machining, secondary finishing, quality inspection right through to final dispatch. Based on client drawings and technical specs, we handle one‑off prototype builds as well as recurring batch production runs.
We hold valid quality management system certifications for GJB 9001C‑2017 and GB/T 19001‑2016 / ISO 9001:2015.
Should you require manufacturing for small precision‑grade parts, submit your drawings, CAD files and order quantities. Our team will complete a technical assessment and get back to you with a formal quotation.
How We Make It
| Precision CNC turning | Suitable for processing small shaft and disc parts (such as micro motor shafts and bearing rings) |
| Precision CNC milling | Suitable for processing complex special-shaped parts (such as micro brackets, sensor housings) |
| Precision Injection | Suitable for processing small plastic/resin parts (such as chip connectors, micro gears) |
| EDM | Suitable for processing high hardness / complex cavity parts (such as micro mold cavities) |
| Laser Engraving | Suitable for engraving LOGO, model and other text or patterns on the surface of parts. |
Process Difficulties
The core process difficulties of CNC machining small parts
The many challenges of precision machining small parts
Microscale manipulation challenges
Parts with small size (such as 0.1mm micro shaft) are easily deformed or damaged during clamping and require special micro fixtures (such as vacuum suction cups and elastic chucks).
01
Cutting force and vibration control
Small parts have poor rigidity, and even a small cutting force (such as 0.1N) during processing may cause the parts to bend. Therefore, a high-speed spindle (speed ≥ 100,000 rpm) + ultra-fine tool (diameter ≤ 0.1mm) is required.
02
Processing heat effects
Small parts have small heat capacity, and cutting heat and laser heat can easily cause local temperature to rise suddenly (such as exceeding the melting point of the material), so a cooling system (such as micro-injection and liquid nitrogen cooling) is required.
03
Difficulty in measurement and detection
Conventional measuring tools (such as calipers) cannot meet the accuracy requirements and require special testing equipment (such as three-coordinate measuring machines, laser interferometers, and atomic force microscopes).
04
How we ensure quality
1
Material pretreatment: Stabilize material properties through processes such as annealing and tempering (e.g., stress relief treatment for stainless steel to prevent deformation after processing).
Equipment calibration: Regularly calibrate machine tool spindle runout and tool accuracy (e.g., milling cutter edge roundness ≤ 0.001mm).
2
Real-time Monitoring: Infrared thermometers monitor cutting temperature, and force sensors monitor cutting force to avoid anomalies.
Process Parameter Optimization: For example, when performing micro-milling, a "low feed rate + high speed" approach is used to reduce vibration.
3
Dimensional Inspection: Coordinate measuring machines are used to check dimensions and form and position tolerances.
Surface Inspection: Confocal laser scanning microscopy is used to check surface roughness and defects.
Performance Testing: Testing includes hardness and sealing.
Get a quote
High-quality global manufacturing solutions
Different small part structures (such as shafts, holes, and complex, irregular shapes) and material properties require different processing technologies. Contact us for professional technical support and manufacturability feedback.
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