Custom Precision Tool Steel 5-Axis Machined Parts
Overview
XCM CNC provides tool steel 5-axis CNC machining for forming inserts with spatial surfaces, angled holes and multi-directional mounting features, including complex contoured cores, shaped forming blocks and contoured checking-fixture locators. The 3D model is first reviewed for tool access, part orientation and fixture interference, then machinable surfaces and datums are established. Surface profiles can be verified using CMM or profile inspection. The MOQ is 1 piece, with typical lead times of 10-15 days depending on complexity, quantity, heat treatment and finishing requirements.
Key Capabilities
- Materials: SKD11, DC53, S136 tool steel; grade and condition by drawing review
- Tolerance: +/-0.003 mm (+/-0.00012 inch), IT5 or IT6 accuracy, +/-0.01 mm shaft/bore fits; h6/H7 available
- Surface Finish: Finish-milled surfaces Ra 1.6 um; polished surfaces to Ra 0.2 um where specified; achievable finish depends on grade and hardness
- GD&T: Flatness 0.02 mm on mounting faces (up to 1030 x 1030 mm area); perpendicularity 0.02 mm/1000 mm between datum faces
- Max Size: Five-axis machining size 800 x 600 x 900 mm; actual part envelope depends on machine travel, fixture and part posture
- Heat Treatment: By specified grade, drawing and supplier capability; define final condition and hardness on order
- Thread: Internal threads from M1.4 and external threads from M2.0; go/no-go gauge inspection; feasibility depends on material condition and depth
- Precision Limit: Profile 0.02 mm on free-form and 5-axis contours against the 3D model; tool access, setup, fixture and material condition affect applicability
Tool Steel Contours and Five-Axis Tool Access
5-axis machining allows tools to approach tool steel mold surfaces from several directions, reducing inaccessible areas on curved and inclined faces. Where several faces can be completed in one setup, it also reduces datum errors from repeated clamping. Feasibility depends on the 3D model, tool extension, fixture clearance and part orientation. The 5-axis machining size range is 800 x 600 x 900 mm, with actual part dimensions also depending on fixtures and clamping orientation.
Tool Steel Angled Holes and Datum Orientation
Angled holes and multi-directional mounting faces must share a datum system with the contoured surface. Hole-axis direction, entry clearance and mounting datums directly affect insert position in the mold. Five-axis machining adjusts tool orientation to machine accessible angled holes from the model. Undercuts can also be machined, but often require multiple setups, special tools or EDM. Specify angled-hole datums and inspection methods on the drawing.
Tool Steel Hardened Contours and Finishing Plan
Different grades and heat treatment conditions affect cutting forces and finishing allowances. For contoured cores or forming inserts, first define whether acceptance applies before heat treatment or in the finished condition. Where local features need higher precision, drawing-based grinding, EDM or wire EDM can supplement CNC machining. IT5/IT6 requirements also need feature- and drawing-based process evaluation. Drawings and material certificates define final hardness and condition.
Tool Steel Profile Inspection Against CAD
Complex-surface profile can reach 0.02 mm based on an established 3D model and inspection plan. Depending on surface geometry, CMM measurement, 3D scanning or profile inspection can be selected to match datums and reporting requirements. Profile tolerance is different from surface roughness. Polishing or mirror-finish requirements must be specified separately.
Specifications
| Product Name | Custom Precision Tool Steel 5-Axis Machined Parts |
|---|---|
| Manufacturer | XCM CNC |
| Factory Location | Shenzhen, Guangdong, China |
| Quality System | ISO 9001, ISO 13485, IATF 16949, GJB9001C |
| Machining Process | 5-axis CNC machining; grinding, EDM or wire EDM as specified |
| Material | Tool Steel |
| Material Grade | SKD11 or DC53 for wear-resistant forming blocks; S136 for polished cores; exact standard and condition by drawing |
| Surface Roughness | Finish-milled surfaces Ra 1.6 um; polished surfaces to Ra 0.2 um where specified |
| Surface Treatment | As-machined; specified contour finishing or polishing by drawing review |
| Application | Contoured mold cores, angled-hole inserts, forming blocks, profile gauge locators and multi-angle fixture blocks |
| Key Features | Spatial contours, tool posture and angled-hole access; CAD profile verification against the actual setup envelope |
| Critical QC Requirements | Verify CAD contour, angled-hole position, mounting datums and specified surfaces; define CMM, 3D scan or profile inspection method |
| MOQ | 1 Piece |
| Typical Lead Time | 10-15 business days after drawing review |
| Drawing Formats | STEP, IGS, DWG, PDF, X_T |
| Heat Treatment | By specified grade, drawing and supplier capability; define final condition and hardness on order |
Applications
Complex Contoured Core Inserts for Injection Molds
A contoured core insert and angled-hole core insert directly contact molten plastic during molding, with tool steel providing a wear-resistant, hardenable mold-surface substrate. Five-axis machining adjusts tool orientation from the 3D model to approach multi-directional surfaces and accessible angled features. Angled holes serve insert mounting or structural arrangements. Tortuous internal passages require a separately established machining plan.
Spatial-Profile Inserts for Stamping and Forming Dies
A formed die block and 3D profile die insert contact and form sheet material with non-rotational curved surfaces, often including inclined faces, clearance faces and multi-directional mounting features. Compression and friction during forming guide grade and heat treatment selection. Five-axis machining produces these spatial surfaces where the model and clamping space permit. Tool radius limits internal corners; sharp corners require EDM or a design adjustment.
Contoured Locators and Prototype Inserts for Automotive Checking Fixtures
A contoured checking-fixture locator supports or locates body components, while a prototype forming insert verifies local forming geometry. Curved contact areas often include inclined mounting faces. Five-axis machining can produce curves and mounting faces from a common datum, reducing datum errors from repeated setups. The 3D model and drawing define profile and inspection methods.
Multi-Angle Fixture Locators and Contoured Cams for Automation
A multi-angle fixture locator connects clamping or support faces in different directions, while a contoured cam drives a follower through its profile. Angular relationships between faces and contact profiles are critical. Five-axis machining offers more value where a part has spatial features on several faces. Parts with only a single plane or rotational features can use 3-axis machining or turning.
Why Choose Us
Quality Systems and Five-Axis Equipment
The factory holds ISO 9001, ISO 13485, IATF 16949 and GJB9001C quality-system certifications. Equipment includes a DMG 80mono 5-axis machine and Mazak, Matsuura and Brother machining centers, supporting multi-directional machining of tool steel contoured parts.
Coordinating Five-Axis Surfaces and Secondary Operations
Factory machining coverage extends from small connectors to large structural parts. Five-axis surfaces on tool steel inserts can be planned together with necessary grinding, EDM or wire EDM. Local precision features and internal corners receive individual drawing-based routes.
Equipment Matched to Accuracy to Control Cost
Machines are selected from four equipment tiers from mainland China, Taiwan, Japan, and Europe and the United States according to part and operation accuracy requirements. Insert surfaces, mounting datums and mating features have different accuracy needs, guiding equipment allocation to balance machining quality and cost.
Single Contoured Inserts for Prototype Validation
The MOQ is 1 piece, with prototypes in 3-7 days. Complex core, shaped forming block or checking-fixture locator samples can first verify profiles and assembly relationships. Production follows sample approval.
CAD Surfaces Matched to Inspection Plans
The 3D model and drawings guide selection of CMM measurement, 3D scanning or profile inspection, with acceptance methods established for angled holes, mounting datums and specified surfaces. CMM reports are supplied according to order requirements. An NDA can be signed as needed for confidential drawings.
FAQ
When is five-axis machining useful for a tool steel insert?
Five-axis machining suits inserts with curved surfaces, multi-directional mounting faces or angled holes requiring tools to approach from different directions. Parts with only flat faces, holes and rotational features can usually use 3-axis machining or turning. Suitability depends on the 3D model, tool extension, fixture clearance and part orientation.
Can undercuts and angled holes be machined in tool steel?
Undercuts and angled holes can be machined, but the route depends on entry clearance, tool length and fixture obstruction. Undercuts often require multiple setups, special tools or EDM. Some local features are better suited to EDM or wire EDM. A complete 3D model helps check accessible surfaces individually.
How should hardened or polished contours be specified on the drawing?
Separately identify final hardness condition, surfaces requiring polishing and the polishing grade, such as mirror, bright or matte. State whether profile acceptance applies before heat treatment, before polishing or in the finished condition. Polishing removes a small amount of material and affects the surface profile. Different acceptance conditions require different allowances and inspection plans. Local precision features can be evaluated for grinding or electrical-discharge machining.
How is a complex contour compared with the CAD model?
Complex-surface profile capability is 0.02 mm based on an established 3D model and inspection plan. CMM measurement, 3D scanning or profile inspection can be used. Inspection datums must match machining setup datums for comparable results. Report scope depends on the order.
Can mounting faces and angled holes be machined in one setup?
Multi-face machining in one setup is possible and reduces datum errors from repeated clamping. Whether all faces and angled holes fit into one setup depends on part size, fixture obstruction and tool length. Obstructed faces require reorientation or a second setup. With the model and clamping-face requirements, tool approach and fixture interference can be checked.
How long does a contoured tool steel prototype take?
Prototypes usually take 3-7 days, with batch production following sample approval. Typical batch lead time is 10-15 days. Surface complexity, quantity and operations such as heat treatment, grinding or EDM affect actual scheduling.
Which CAD and drawing files are needed for a quote?
A complete 3D model plus dimensioned 2D drawings provides the strongest basis for quotation. The model defines surfaces and tool access, while drawings specify material condition, angled-hole datums, profile tolerances and surface requirements. Include quantity and intended use. Accepted formats include STEP, IGES, STP, DWG and dimensioned PDF. An NDA can be signed as needed for confidential information.
Request a CNC Machining Quote from XCM CNC
Send us your drawings. Our team will review the file and reply with a machining quote. MOQ: 1 piece, with competitive low-cost pricing.
