行业组件数据 · 2026

调整楔块

Adjustment wedge for jaw crusher gap control and wear compensation

技术定义与适配语境
典型 调整楔块 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。

A precision-engineered wedge-shaped component in jaw crushers that enables controlled adjustment of the discharge opening between the fixed and movable jaw plates. It functions as a mechanical positioning device that maintains optimal crushing gap dimensions through hydraulic or manual adjustment mechanisms, ensuring consistent product size distribution and compensating for wear on crushing surfaces.

组件规格

定义
A precision-engineered wedge-shaped component in jaw crushers that enables controlled adjustment of the discharge opening between the fixed and movable jaw plates. It functions as a mechanical positioning device that maintains optimal crushing gap dimensions through hydraulic or manual adjustment mechanisms, ensuring consistent product size distribution and compensating for wear on crushing surfaces.
工作原理
The adjustment wedge operates on the inclined plane principle, where linear movement along the wedge's tapered surface creates precise vertical displacement of the toggle plate or movable jaw. This mechanical advantage allows fine-tuning of the crusher's discharge setting with minimal force input, maintaining consistent particle size output throughout the equipment's operational life.
材料
High-strength alloy steel (typically ASTM A572 Grade 50 or equivalent)heat-treated to 300-350 HB hardness with wear-resistant surface coatings (hard chrome plating or tungsten carbide overlay) on contact surfaces
Wedge Angle
5-15 degrees
Weight Range
50-500 kg depending on crusher size
Load Capacity
200-800 kN
Surface Hardness
55-62 HRC on wear surfaces
Dimensional Tolerance
±0.1 mm
Maximum Adjustment Range
50-200 mm
标准
ISO 21873-1DIN 22101ASTM A29

行业分类与别名

调整楔块 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 lubrication on sliding surfaces->Wedge seizure preventing adjustment->Implement automated lubrication systems with pressure monitoring and use high-temperature extreme pressure (EP) greases rated for crusher applications
Cyclic loading exceeding material fatigue limits->Structural cracking leading to catastrophic failure->Design with finite element analysis (FEA) for stress distribution, implement regular non-destructive testing (NDT) inspections, and use fatigue-resistant alloy steels
Corrosive processing environments->Surface degradation and dimensional instability->Apply corrosion-resistant coatings (zinc-nickel alloy or ceramic composites), implement cathodic protection systems, and establish regular cleaning protocols

工业生态与工程逻辑

0
Wedge seizure due to inadequate lubrication
1
Fatigue cracking from cyclic loading
2
Improper installation causing misalignment
3
Corrosion in aggressive environments
4
Hydraulic system failure affecting adjustment capability

合规与检测

tolerance
Dimensional tolerance ±0.1mm, angular tolerance ±0.05°, surface finish Ra 1.6μm on sliding surfaces
test method
Coordinate measuring machine (CMM) verification, ultrasonic thickness testing, magnetic particle inspection for cracks, hardness testing per ASTM E18, load testing to 150% of rated capacity

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

How often should jaw crusher adjustment wedges be inspected?

Adjustment wedges should be inspected during routine maintenance every 250-500 operating hours, with thorough examination of wear surfaces, lubrication channels, and structural integrity to prevent unexpected downtime.

What are the signs of adjustment wedge failure?

Common failure indicators include inconsistent product sizing, abnormal vibration patterns, visible wear grooves exceeding 3mm depth, hydraulic system pressure fluctuations, and difficulty maintaining set gap dimensions during operation.

Can adjustment wedges be reconditioned or must they be replaced?

Wedges with surface wear up to 20% of original thickness can typically be reconditioned through machining and re-coating processes, while structural cracks or deformation exceeding tolerance limits require complete replacement for safety and performance.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

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