Custom CNC Machined Silicone Parts

The custom silicone components shown above — including convoluted dust bellows, sealing grommets, cable entry bushings and profile seals — exemplify FlexiTurn’s specialized CNC cryogenic finishing services for molded silicone parts. Every component is produced exclusively to your exact CAD specifications, integrating precision compression molding with automated CNC-controlled cryogenic machining to eliminate the inconsistent flash, dimensional drift and edge tearing inherent to manual trimming operations.

Silicone CNC Processing & Machining Capabilities

We resolve the two primary failure modes of technical silicone hardware—parting-line tear-out and dimensional drift—through high-precision secondary CNC finishing:

• Precision Compression Pre-Forming: Near-net-shape molding using custom-machined tool steel dies to establish consistent cross-link density, uniform durometer, and minimal excess stock.
• Automated Cryogenic CNC Deflashing: Parts are cooled below their glass transition temperature (Tg) using liquid nitrogen. High-speed CNC media and specialized tooling remove embrittled parting-line flash without inducing edge stress or micro-tears.
• Secondary CNC Feature Machining: Precision diamond milling and hole punching of critical sealing grooves, mounting faces, and internal bores to tolerances unachievable through molding alone.

Materials & Technical Machining Specifications

We process certified silicone elastomers tailored to harsh thermal, chemical, and cleanroom environments:

• Supported Material Grades: General-purpose VMQ Silicone (30–80 Shore A); Medical-Grade USP Class VI VMQ; Fuel/Solvent-Resistant Fluorosilicone (FVMQ); High-Temperature Stabilized Formulations.
• Cryogenic CNC Critical Tolerances: ±0.05 mm on functional sealing faces and mating dimensions (vs. standard molding ±0.10–0.20 mm).
• Parting-Line Flash Limit: ≤ 0.02 mm maximum residual flash across all parting boundaries.
• Edge & Surface Integrity: Zero micro-particulate shedding, burr-free edge profiles, and smooth sealing surfaces.

Why Choose FlexiTurn for Custom Silicone CNC Finishing?

Automated Repeatability vs. Manual Trimming: Hand trimming with blades causes gouging, jagged edges, and loose particulate contamination. FlexiTurn’s CNC cryogenic process ensures 100% automated edge consistency from the first prototype to full production runs.

Single-Source Mold-to-CNC Control: Tool design, compression molding, and cryogenic CNC finishing are managed under one roof, preventing quality disputes between molders and secondary processors while reducing overall lead times.

Free 24-Hour Silicone-Specific DFM Review: Submit your STEP or DWG files for a complimentary engineering review within 24 hours. We analyze parting-line placement, draft angles, wall uniformity, and cryogenic tool accessibility.

Rapid Toolless Prototyping & Zero MOQ: Rapid CNC machining of prototype components from standard or custom silicone stock with zero minimum order quantity requirements and 7–10 business day turnaround.

ISO 9001:2015 & Healthcare Compliance: Every order includes dimensional inspection reports and material lot certification. FDA, RoHS, REACH, and biocompatibility documentation available upon request.

How to Order

1. Submit CAD Drawings: Upload your 2D (PDF/DWG) or 3D (STEP/IGES) CAD files specifying material grade, hardness (Shore A), tolerance expectations, and fluid/thermal operating conditions.
2. Fast DFM & Factory Proposal: Receive a technical DFM assessment and direct-factory quotation within 24 hours.
3. Prototype Production: Prototype tooling and cryogenic CNC machining delivered with full inspection records in 7–10 business days.
4. Volume Production: Transition to volume manufacturing with locked process parameters and automated optical inspection.
5. Global Express Delivery: Anti-static, protective packaging shipped directly to your facility worldwide.

Partner with FlexiTurn for custom silicone components engineered with precision CNC cryogenic finishing. Contact our engineering team today for your free design assessment and quote.

Q1. What types of machining services do you offer?

We provide comprehensive CNC turning and milling services. FlexiTurn machines are equipped with 8-station programmable turrets and support both turning and 5-axis milling operations, making them suitable for everything from simple cylindrical parts to complex multi-axis components.

Q2. What materials can you work with?

We machine a wide range of materials including carbon steel, stainless steel, aluminum, plastics, and other engineering-grade materials. If you have a specific material in mind, just send us your requirements and we'll confirm feasibility.

Q3. What is your typical lead time?

Lead times vary depending on part complexity, quantity, and material availability. For prototypes and small-batch runs, we typically deliver within 5–10 business days. For high-volume production, we'll provide a customized schedule after reviewing your drawings. Contact us with your project details for an accurate timeline.

Q4. How do you price your services?

Pricing is based on several factors: material cost, machining time, tooling requirements, setup complexity, and order quantity. We offer competitive rates for both low-volume prototypes and high-volume production runs. Request a quote with your CAD files or drawings and we'll get back to you within 24 hours.

Q5. What quality control measures do you have in place?

We follow strict quality control procedures throughout the machining process. Our CNC systems support programmable precision down to 1 μm, ensuring high accuracy and repeatability. Every batch undergoes dimensional inspection before shipping, and we can provide inspection reports upon request.