行业组件数据 · 2026

支撑框架/导轨

A structural component providing rigid support and precise linear guidance for moving elements in transfer mechanisms.

技术定义与适配语境
典型 支撑框架/导轨 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

The Support Frame/Guide Rail is a critical structural component within transfer mechanisms, designed to provide stable, rigid support for the mechanism's moving platform or carriage while simultaneously offering a precisely machined surface for linear guidance. It ensures accurate positioning, minimizes deflection under load, and maintains alignment during repetitive motion cycles, directly impacting transfer accuracy and system longevity.

组件规格

定义
The Support Frame/Guide Rail is a critical structural component within transfer mechanisms, designed to provide stable, rigid support for the mechanism's moving platform or carriage while simultaneously offering a precisely machined surface for linear guidance. It ensures accurate positioning, minimizes deflection under load, and maintains alignment during repetitive motion cycles, directly impacting transfer accuracy and system longevity.
工作原理
It operates on the principles of structural rigidity and low-friction linear motion. The frame provides a fixed, stable reference structure that resists bending and torsional forces. The guide rail surface, when paired with bearing blocks or sliders, constrains movement to a single linear axis, converting rotational drive (e.g., from a ball screw or belt) into precise, repeatable linear translation of the payload.
材料
Typically manufactured from high-strengthwear-resistant materials. Common specifications include: Carbon Steel (e.g.S45CS55C) for general dutyAlloy Steel (e.g.SCr440SNCM439) for hardenedhigh-wear applicationsStainless Steel (e.g.SUS304SUS440C) for corrosion resistanceAluminum Alloy (e.g.A6061A7075) for lightweight applications. Rails are often surface-hardened (induction hardeningnitriding) or coated (chrome platingnickel plating) to enhance wear resistance and reduce friction.
Length
Custom (e.g., 500mm to 6000mm)
Hardness
Core: 28-32 HRC; Surface: 58-62 HRC (for hardened steel)
Load Capacity
Dynamic: 2kN to 50kN; Static: 4kN to 100kN (varies by size/profile)
Precision Grade
Standard, High Precision, Ultra Precision
Width/Height Profile
Standard profiles (e.g., 15mm, 20mm, 25mm, 30mm, 45mm square or rectangular)
Mounting Hole Pattern
Standardized pitch (e.g., 60mm, 100mm)
Straightness Accuracy
Grade: N, H, P, SP, UP (e.g., ≤5μm/300mm for UP grade)
标准
ISO 12090-1DIN 645JIS B 1192

行业分类与别名

支撑框架/导轨 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Improper installation/alignment (out-of-parallel, out-of-flatness).->Increased friction, erratic motion, accelerated wear of rail and bearing blocks, system binding.->Use precision levels and alignment tools during installation. Follow manufacturer's mounting procedure. Employ reference surfaces and dowel pins for accurate alignment. Verify straightness and parallelism post-installation.
Overload or shock loads exceeding dynamic/static capacity.->Plastic deformation (brinelling) of the raceway, cracking of the rail, catastrophic failure of the support structure.->Correctly calculate and apply safety factors during design. Use load distribution systems (multiple rails, larger profile). Implement overload sensors or mechanical fuses in the drive system.
Lack of or improper lubrication.->Metal-to-metal contact, increased friction coefficient, heat generation, scoring of raceway, eventual seizure.->Establish a preventive maintenance schedule for lubrication. Use correct lubricant type (grease or oil) as specified for speed and temperature. Install automatic lubrication systems for critical applications. Use seals and wipers to retain lubricant.

工业生态与工程逻辑

0
Misalignment during installation leading to binding and premature wear
1
Inadequate support causing deflection under load and loss of positioning accuracy
2
Contamination (dust, chips) entering the rail/bearing interface causing abrasive wear and failure
3
Corrosion in humid or chemical environments degrading the guide surface
4
Improper lubrication leading to increased friction, heat generation, and seizure

合规与检测

tolerance
Governed by precision grade (e.g., Height tolerance: ±0.02mm; Width tolerance: ±0.02mm; Straightness: ≤0.005mm/300mm for UP grade). Run-out parallelism between mounting reference surface and raceway is critical.
test method
Straightness tested with laser interferometer or precision level. Hardness verified with Rockwell or Vickers hardness tester on raceway surface. Dimensional tolerances checked with coordinate measuring machine (CMM) or precision micrometers. Load testing per ISO 12090 standards.

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来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the difference between a support frame and a guide rail?

While often integrated, the 'support frame' refers to the primary structural member that provides rigidity and mounting points, resisting loads. The 'guide rail' specifically denotes the precision-machined running surface that guides the linear motion of bearing blocks. In many components, these functions are combined into a single profiled rail.

How do I select the correct precision grade for a guide rail?

Select based on required positioning accuracy and repeatability of your transfer mechanism. Use Standard grade for general material handling (≥50μm accuracy), High Precision for assembly/pick-and-place (10-50μm), and Ultra Precision for semiconductor or metrology applications (<10μm). Consider load, speed, and environmental factors.

Can guide rails be customized in length?

Yes, they are typically supplied in standard lengths (e.g., 1m, 2m) but can be custom-cut and machined (with end machining for alignment) to specific lengths. For very long spans, multiple rails can be joined with alignment couplings, though this may introduce a slight precision loss at the joint.

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CNFX Industrial Component Index · 机械和设备制造

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初步技术归类
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URN:CNFX:ME:UNIT:SUPPORT_FRAME_GUIDE_RAIL