Custom Black Rubber Components

FlexiTurn executes precision secondary CNC machining on molded elastomeric and engineered polymer mounting brackets, correcting inherent mold shrinkage, parting-line flash, and thermal warp to deliver interchangeable, tight-tolerance assembly interfaces. Precision secondary machining resolves molding dimensional drift on complex multi-boss geometries, ensuring exact post positioning, flat mounting datums, and zero-defect module integration in enclosed industrial systems.

Secondary CNC Machining & Process Optimization

• Datum Face & Boss Milling: High-speed CNC milling finishes curved base profiles, recessed cavities, and vertical boss end-faces in a single clamping setup, holding strict datum flatness ($\le 0.02\text{ mm}$) and uniform mounting heights.
• True Position Post & Recess Machining: Critical locating posts, alignment holes, and retention recesses are secondary-machined to hold strict true position tolerances ($\le 0.05\text{ mm}$), preventing binding during automated assembly.
• Substrate-Specific Cutting Control: Specialized tool geometries and calibrated spindle speeds suppress material tear and edge fuzzing on elastomeric blanks, while preventing glass-fiber pullout and micro-cracking on reinforced polymers (PA66-GF30).
• Multi-Axis Feature Execution: Dedicated 3-axis and 4-axis CNC workcells handle side pocketing, angled cross-drilling, and perimeter contour trimming on molded preforms with zero tool deflection.

Materials & Technical Specifications

Supported Polymers & Elastomers: PA66-GF30, PBT, ABS, POM, Nitrile (NBR), EPDM, Industrial Silicone, FKM, TPE

Dimensional Tolerances: ±0.02mm on machined polymer interfaces; ±0.05mm on elastomeric features

Geometric Tolerances: Datum Flatness ≤0.02 mm; True Position ≤0.05mm ; Perpendicularity  ≤0.03mm

Surface Finish: Ra 0.8-1.6 μm on machined datum faces

Quality Assurance & Molding Defect Correction

Every secondary-machined order is processed under FlexiTurn’s ISO 9001:2015-aligned quality system, backed by rigorous non-metallic inspection protocols:

• 100% Material Batch Traceability: Raw polymer/compound certificates and resin batch testing reports supplied with every production run.
• Non-Contact Optical Inspection: Non-contact optical CMM profiling verifies flexible bracket contours, boss true position, and hole centers without part deformation during measurement.
• Interchangeability & Functional Fit Sampling: 100% inspection of primary mounting datums and functional gauge sampling to guarantee drop-in fit for serial assembly.

Why Choose FlexiTurn

• Specialized Non-Metallic Secondary Machining: Dedicated CNC workcells, custom shear tooling, and optimized chip evacuation defeat material elasticity, thermal warping, and fiber pullout.
• Molding Defect Elimination: Precision secondary milling and drilling eliminate parting-line flash, sink mark misalignment, and mold draft variability, delivering tight-tolerance parts from low-cost tooling.
• 100% In-House Process Ownership: Raw blank verification, multi-axis secondary machining, deburring, and optical CMM inspection are managed on-site with zero subcontracting.
• Complimentary 24-Hour DFM Review: Engineering assessments evaluate mold stock allowances, clamping datum stability, and wall transitions to streamline machining cycle times.
• Encrypted IP Security: All CAD models, customer specifications, and mold designs are secured under encrypted internal protocols, with NDAs executed prior to data transfer.

Partner with FlexiTurn

Submit your 2D/3D CAD drawings (STEP/IGES/PDF) with material grade, tolerance requirements, and batch quantities. FlexiTurn provides rapid DFM evaluations and direct-factory quotations within 24 hours.

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.