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MetalKeen manufactures precision CNC machined components for packaging machinery — from high-speed filling lines and sealing systems to labeling equipment and conveyor assemblies. Operating under an ISO 9001-certified quality management system, we produce custom parts in stainless steel 304/316L, aluminum 6061/7075, tool steel, POM, PEEK, and other engineering materials, with tolerances routinely held to ±0.01mm. Whether you need a single replacement wear part or a full production run of packaging equipment components, we support OEMs, integrators, and maintenance teams with fast prototyping and consistent batch quality.
Component Category | Typical Parts | Common Materials | Key Requirements |
|---|---|---|---|
Filling Systems | Filling nozzles, metering pump housings, piston shafts, valve manifold blocks, anti-drip needle assemblies | SS 304/316L, PTFE, PEEK | Zero leakage, high repeatability, corrosion resistance |
Sealing Systems | Heat sealing plates, rotary sealing shafts, knife-edge blades, guide rail brackets, pressure roller shafts | Aluminum 6061/7075, tool steel, SS 316 | Thermal stability, wear resistance |
Labeling Equipment | Applicator roller shafts, servo motor brackets, linear guide supports, bearing housings, timing pulleys | Aluminum 6061, SS 304, POM | High-speed synchronization, precise alignment |
Conveyor & Handling | Guide rails, star wheels, feed screws, drive shafts, idlers, structural brackets | SS 304/316, UHMW-PE, POM | Low friction, hygiene compliance, dimensional accuracy |
Stainless Steel 304/316L — Excellent corrosion resistance and hygiene properties. Suitable for food-contact surfaces, washdown environments, and pharmaceutical packaging lines. 316L recommended for beverage and wet-cleaning applications.
Aluminum 6061 / 7075 — High strength-to-weight ratio. Ideal for mounting plates, brackets, fixtures, and moving components where reducing inertia improves cycle times.
Engineering Plastics — POM (Delrin) for low-friction sliding guides and bushings; PEEK for high-temperature sealing applications; UHMW-PE for wear strips and conveyor components requiring FDA compliance.
Tool Steel & Alloy Steel — SKD11, 45# steel for cutting blades, forming molds, and high-wear tooling parts.
5-axis CNC milling — Complex geometries, multi-face features in single setup
CNC turning — Shafts, rollers, bushings, nozzles with surface finish to Ra1.6μm
Wire EDM — Precision slots, sharp internal corners, hardened tool steel components
Surface finishing — Electropolishing, anodizing, bead blasting, passivation
Tolerance capability: ±0.01–0.02mm on milled parts; ±0.005mm on turned shafts, rollers, and brackets. Standard dimensional tolerance controlled within ±0.05mm for general packaging machinery components.
ISO 9001:2015 certified quality management system with full material traceability
Reverse engineering capability — replicate legacy parts from samples or worn components
Prototype to production — support from 1-piece replacement to medium-volume runs
Material certification — full mill certs and dimensional inspection reports available
Application expertise — experience across filling, sealing, labeling, cartoning, and conveyor systems
Q1: What materials are best for food-contact packaging machine parts?
A: Stainless steel 316L is the standard choice for direct food contact and washdown environments due to its superior corrosion resistance and hygiene properties. For non-contact structural parts, 304 stainless steel or anodized aluminum 6061 offers a cost-effective alternative.
Q2: What tolerances can you hold on packaging equipment components?
A: We routinely hold ±0.01–0.02mm on milled features and ±0.005mm on turned shafts and rollers. General dimensional tolerances for non-critical features are controlled within ±0.05mm, which meets the assembly requirements of most high-speed packaging lines.
Q3: Can you manufacture replacement parts from samples without drawings?
A: Yes. We offer reverse engineering services using CMM inspection and 3D scanning to generate production drawings from physical samples, worn parts, or legacy components.
Q4: What is the typical lead time for custom CNC packaging parts?
A: Prototype quantities ship in 7–10 business days after drawing approval. Production runs of 50–500 pieces typically complete within 15–25 business days depending on material availability and surface finish requirements.
Q5: Do you provide material certificates and inspection reports?
A: Every order includes full material certifications traceable to the mill, dimensional inspection reports, and surface finish verification. Additional CMM reports or third-party inspection can be arranged on request.
Need custom CNC parts for your packaging line? Send your drawings, samples, or specifications to sam@metalkeen.com or call +86-15358065975. We respond with a detailed quotation within 24 hours.
