行业组件数据 · 2026

支撑块

Support blocks are precision components in assembly fixtures that provide stable, adjustable positioning and alignment for workpieces during manufacturing processes.

技术定义与适配语境
典型 支撑块 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。

Support blocks are engineered components used within assembly fixtures to establish and maintain precise reference points for workpieces. They ensure dimensional accuracy, repeatability, and stability during assembly operations by providing rigid support surfaces that counteract gravitational forces, machining stresses, and clamping pressures. These blocks are strategically positioned to prevent deflection, vibration, and misalignment, thereby enhancing product quality and process efficiency.

组件规格

定义
Support blocks are engineered components used within assembly fixtures to establish and maintain precise reference points for workpieces. They ensure dimensional accuracy, repeatability, and stability during assembly operations by providing rigid support surfaces that counteract gravitational forces, machining stresses, and clamping pressures. These blocks are strategically positioned to prevent deflection, vibration, and misalignment, thereby enhancing product quality and process efficiency.
工作原理
Support blocks operate on the principle of creating stable, repeatable contact points between the fixture and workpiece. They distribute loads evenly across their surface area, minimizing localized stress concentrations. Through precise machining and positioning, they establish geometric datums that guide assembly operations, ensuring components are aligned according to engineering specifications. Adjustable variants incorporate mechanisms like threaded inserts or shims to accommodate dimensional variations in workpieces.
材料
Typically manufactured from hardened tool steel (e.g.A2D2O1)stainless steel (304316)aluminum alloys (6061-T67075)or engineered plastics (PEEKDelrin) for specific applications. Surface treatments may include nitridingchrome platingor anodizing to enhance wear resistance and corrosion protection.
Hardness
45-60 HRC for steel variants
Height Range
10-200 mm
Load Capacity
Up to 5000 N
Surface Finish
Ra 0.8 μm or better
Base Dimensions
20x20 mm to 100x100 mm
Flatness Tolerance
±0.01 mm
标准
ISO 9001ISO 2768DIN 875ASME Y14.5

行业分类与别名

支撑块 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

Insufficient hardness or surface treatment->Premature wear leading to loss of dimensional accuracy->Use hardened materials with appropriate surface coatings; implement regular inspection and replacement schedules
Improper clamping force distribution->Workpiece slippage or deformation during assembly->Design fixtures with evenly distributed support points; use force-limiting clamps; validate with finite element analysis

工业生态与工程逻辑

0
Wear and tear reducing accuracy
1
Misalignment due to improper installation
2
Corrosion in harsh environments
3
Overloading causing permanent deformation

合规与检测

tolerance
Geometric tolerances per ISO 1101; dimensional tolerances typically ±0.02 mm for precision applications
test method
Coordinate measuring machine (CMM) verification; surface plate inspection with dial indicators; laser interferometry for high-precision applications

制造该组件的工厂

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 are the main types of support blocks?

Common types include fixed blocks (permanently mounted), adjustable blocks (with threaded inserts or shims), modular blocks (for flexible configurations), and quick-change blocks (for rapid fixture adjustments).

How do support blocks improve manufacturing quality?

They reduce dimensional variation by providing consistent reference points, minimize workpiece deflection during operations, and enhance repeatability across production batches, leading to higher precision and fewer defects.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

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