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All Metal Linear Guide Rail CNC

All metal linear guide rail CNC systems provide rigid, precise linear motion for CNC machines operating under demanding load, speed, accuracy, and environmental conditions. The rail and block configuration can be matched to your axis travel, moving load, cutting force, accuracy requirements, installation dimensions, and operating environment.

Technical Specifications

Parameter	Reference Value / Range
Guide Type	Ball-type linear guide system
Structure	100% metal construction
Available Guide Sizes	HB15–HB35; EB15–EB25
Guide Rail Length	Up to 4,000 mm*
Rail Material	440C stainless steel or bearing steel*
Stainless Steel Options	304 / 316 stainless steel*
Raceway Hardness	HRC 58+ for 440C stainless steel*
Load Structure	Four-row ball bearing design, 45° contact angle*
Load Direction	Equal load capacity in 4 directions*
Accuracy Grades	C / H / P / SP / UP*
Preload Classes	Z0 / ZA / ZB*
Operating Temperature	Up to 150°C continuous
Peak Temperature	Up to 200°C transient*
Vacuum Compatibility	Down to 10⁻⁵ Pa*
Lubrication	Grease or oil lubrication*
Dust / Chip Protection	ZZ / KK / DD / E2 / SE / RC options*
Rail Surface Treatment	Passivation, low-temperature black chromium, manganese phosphate, or hard chromium plating*
Rail Size Options for Surface Treatment	15 / 20 / 25 / 30 / 35 / 45 mm*
Rail Mounting	Top, bottom, or enlarged-hole mounting configurations*
Rails per CNC Axis	1 / 2 / 3 or more rails*
Dynamic Load Rating C	Approximately 5–120 kN depending on guide size and block configuration*
Static Load Rating C₀	Approximately 9–180 kN depending on guide size and block configuration*
Allowable Static Moment	Approximately 0.04–2.5 kN·m depending on guide size and block configuration*
Maximum Linear Speed	Up to approximately 120 m/min*
Maximum Acceleration	Up to approximately 30 m/s²*
Service Life	L₁₀ life calculated from applied load, speed, stroke, and operating cycle*

*Exact values may vary by guide size, block configuration, accuracy grade, preload, and material, and should be confirmed against the selected model before production.

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Custom All Metal Linear Guide Rail CNC Configurations

All metal linear guide rail CNC systems can be configured around your CNC axis, installation space, load requirements, accuracy targets, and operating environment.

1. Rail & Block Configuration

We can configure:
• Rail size and length
• Block type and quantity
• Rail and block arrangement
• Matched rail and block sets
• Single-piece or jointed rail configurations

2. Material & Construction

Material and construction can be selected according to:
• Load requirements
• Wear conditions
• Temperature requirements
• Corrosion exposure
• Machine operating environment

3. Accuracy & Running Performance

Accuracy and running characteristics can be configured according to:
• CNC machining requirements
• Positioning requirements
• Rigidity requirements
• Running performance
• Required service life

4. Surface Treatment

Surface treatment can be selected according to:
• Corrosion resistance requirements
• Humidity and chemical exposure
• Wear conditions
• Operating environment
• Required surface protection

5. Environmental Configuration

The guideway configuration can be matched to:
• Metal chips and machining debris
• Coolant and cutting fluids
• Dust and contamination
• Temperature conditions
• Lubrication requirements
• Protection requirements

6. Drawing / Sample

You can provide:
• CAD or technical drawings
• Existing guideway models
• Mounting and installation information
• Application requirements
• Existing linear guide samples
We can use these details to evaluate the required guideway configuration before production.

7. OEM & Replacement Service

We support custom:
• Rail and block configurations
• Material and construction
• Accuracy and running requirements
• Mounting interfaces
• Packaging and identification
• OEM and replacement configurations
For repeat orders, the approved product configuration and inspection requirements can be retained as the reference specification for subsequent batches.

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Applications of All Metal Linear Guide Rail CNC

All metal linear guide rail CNC systems can be configured for CNC equipment where controlled linear motion, rigidity, accuracy, and environmental resistance are required.

CNC Machine Tools
Semiconductor Manufacturing Equipment
Heat-Treatment Equipment
Industrial Automation Equipment
Medical & Precision Equipment
Corrosive or High-Humidity Equipment

All Metal Linear Guide Rail CNC Manufacturing

For custom configurations or replacement projects, sample approval can reduce the risk of applying an incorrect guideway to a production machine.

Drawing Review

The supplier reviews:

Load + Motion + Accuracy + Environment + Mounting Requirements

before confirming the proposed configuration.

Sample Production

The sample should be supplied with the relevant:

Model information
Dimensional drawing
Configuration details
Inspection data
Material information

Machine Installation Test

The buyer can verify:

Dimensional fit
Mounting compatibility
Running smoothness
Axis travel
Positioning performance
Load behavior
Coolant and chip exposure
Noise and vibration

Production Approval

Once the sample meets the agreed requirements, the approved configuration becomes the reference for mass production.
This gives the buyer a defined technical baseline for repeat orders instead of relying only on the original quotation or product photograph.

Batch Traceability

For repeat CNC orders, traceability should connect:

Material Batch → Production Batch → Inspection Records → Shipment

This gives OEM and equipment manufacturers a documented reference for repeat orders and quality investigations.

Manufacturing Capability

JSM operates a 20,000 m² self-owned factory with 20+ production lines, 11 ultra-precision 3-axis grinding machines, and 41 precision machining centers, supporting an annual output of 800,000 meters of linear guide rails and 1.5 million linear sliders.

This production capacity supports stable supply, consistent machining quality, and repeat-order capacity for all metal linear guide rail CNC projects, helping buyers reduce supply interruptions and maintain consistent guideway specifications across CNC machine batches.

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Quality Control for All Metal Linear Guide Rail CNC

All metal linear guide rail CNC products are inspected from raw material and production processes through final inspection to verify dimensional accuracy, running performance, and batch consistency.

Raw Material Inspection

Materials are reviewed and sampled before production to verify material grade, material condition, surface condition, hardness requirements, and applicable heat-treatment requirements.

Process Inspection

First-piece, in-process, sampling, and final-piece inspections are performed at key production stages to identify dimensional and process deviations before completion.

Dimensional & Accuracy Inspection

Critical rail and block dimensions, mounting dimensions, hole positions, running accuracy, parallelism, straightness, and height and width variation are inspected against approved drawings, specifications, and applicable tolerances.

Surface & Hardness Inspection

Surface roughness, Rockwell or Vickers hardness, raceway condition, and applicable surface-treatment requirements are checked to verify the required surface and mechanical properties.

Finished Product Inspection

Finished guideways are inspected for running condition, rail and block configuration, preload consistency, lubrication condition, scraper or wiper condition, surface defects, and packaging condition before shipment.

Batch Traceability

Material, production, inspection, and shipment records are maintained to support product traceability and consistency across repeat orders.
JSM's quality system includes CMMs, guide rail and slider accuracy detection equipment, image measuring machines, roughness testing equipment, metallographic microscopes, and hardness testers, supported by ISO 9001, ISO 14001, and ISO 45001 certifications.

B2B Support for All Metal Linear Guide Rail CNC

JSM supports all metal linear guide rail CNC projects with 14-day sample delivery, 800,000-meter annual guide rail capacity, flexible MOQ, global shipping, 1-year warranty, and 24-hour technical response.

JSM provides 2 main linear-motion product categories besides guide rails-ball screws and ball screw bearing supports-for one-stop component sourcing.

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FAQ

Q: What CNC Machines Can Use All Metal Linear Guide Rail CNC?

A: All metal linear guide rail CNC can be used for CNC machining centers, CNC routers, grinding machines, automation equipment, and other precision linear-motion systems.

Q: How Do I Select a Linear Guide for a Vertical CNC Axis?

A: Vertical-axis selection should consider the moving mass, cutting force, load direction, moment load, acceleration, and required service life.

Q: What Is the Difference Between Ball and Roller Linear Guides for CNC Machines?

A: Ball guides are generally suitable for high-speed precision motion, while roller guides are typically selected when higher rigidity and load capacity are required.

Q: How Does Preload Affect CNC Linear Guide Performance?

A: Higher preload generally increases rigidity and reduces clearance but also increases running resistance and should therefore be matched to the required CNC motion.

Q: How Do I Calculate the Required Linear Guide Load Capacity?

A: Required load capacity should be calculated from moving mass, cutting force, load distribution, moment loads, operating cycle, and required service life.

Q: What Information Is Needed to Select a Linear Guide for CNC Replacement?

A: Replacement selection normally requires the existing rail and block model, rail dimensions, mounting-hole pattern, block dimensions, axis travel, and application load.

Q: Can Linear Guide Rails Be Supplied for Long CNC Axes?

A: Yes, long-axis configurations can use single-piece or jointed rails according to the required travel length and machine installation layout.

Q: Can All Metal Linear Guide Rails Be Supplied for OEM CNC Projects?

A: Yes, OEM projects can be configured around the approved guideway specification, mounting requirements, inspection requirements, and repeat-order requirements.

Q: What Shipping Methods and Delivery Terms Are Available?

A: International orders are supported by 3 shipping methods-sea freight, air freight, and express-with 4 delivery terms including FOB, EXW, CIF, and DDP.

Q: How Long Does Bulk Production Take?

A: Bulk production lead time depends on the approved guideway configuration, quantity, and production schedule and is confirmed with the quotation.

Custom All Metal Linear Guide Rail CNC for Your Project

Send your drawing or existing guideway model, CNC machine type and axis, rail length and mounting dimensions, moving load and load direction, travel and speed requirements, accuracy and preload requirements, operating temperature and environment, lubrication and contamination conditions, quantity, and any replacement or OEM requirements to receive a suitable all metal linear guide rail CNC configuration.

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