行业组件数据 · 2026

送丝轮/压紧轮

Feed rollers, also known as pinch wheels, are precision components in wire feeder mechanisms that grip and advance welding wire or other linear materials through automated systems.

技术定义与适配语境
典型 送丝轮/压紧轮 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。

Feed rollers (pinch wheels) are paired cylindrical components in wire feeder mechanisms that apply controlled pressure to grip welding wire, electrode wire, or similar linear materials. They work in conjunction with drive motors to provide consistent linear advancement at specified feed rates, ensuring stable material delivery in welding, additive manufacturing, and automated assembly systems. These components maintain wire alignment, prevent slippage, and compensate for minor diameter variations.

组件规格

定义
Feed rollers (pinch wheels) are paired cylindrical components in wire feeder mechanisms that apply controlled pressure to grip welding wire, electrode wire, or similar linear materials. They work in conjunction with drive motors to provide consistent linear advancement at specified feed rates, ensuring stable material delivery in welding, additive manufacturing, and automated assembly systems. These components maintain wire alignment, prevent slippage, and compensate for minor diameter variations.
工作原理
Feed rollers operate on a friction-drive principle where two rollers (one driven, one idler) apply calibrated pressure to grip the wire. The driven roller rotates via a motor or gear system, while the idler roller applies opposing force through a spring or pneumatic mechanism. This creates sufficient friction to advance the wire without deformation. Roller grooves match wire diameter to maintain alignment and prevent lateral movement during feeding.
材料
Typically manufactured from hardened tool steel (AISI D2A2)carbide-coated steelor polyurethane for non-marking applications. Surface hardness ranges from 55-65 HRC for steel rollers. Corrosion-resistant coatings (chrome platingnitriding) are applied for harsh environments. Food-grade applications may use FDA-compliant polymers.
Groove Sizes
0.6-2.4 mm (for welding wire)
Groove Profile
U-groove, V-groove, Knurled
Max Feed Speed
1-25 m/min
Shaft Diameter
6-12 mm
Roller Diameter
15-50 mm
Pressure Adjustment
Spring or pneumatic, 20-150 N
Operating Temperature
-10°C to 80°C
标准
ISO 5821ISO 14175DIN 8555

行业分类与别名

送丝轮/压紧轮 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

Abrasive wire surface->Accelerated groove wear->Use hardened or coated rollers; implement wire cleaning systems
Incorrect pressure setting->Wire slippage or deformation->Install pressure gauges; follow manufacturer torque specifications
Misalignment between rollers->Uneven wear and wire tracking issues->Use alignment fixtures during installation; check parallelism monthly

工业生态与工程逻辑

0
Wire slippage causing inconsistent feed
1
Roller wear leading to diameter mismatch
2
Excessive pressure deforming wire
3
Corrosion in humid environments
4
Groove clogging with debris

合规与检测

tolerance
Groove diameter tolerance ±0.05mm; concentricity within 0.02mm TIR
test method
Dimensional verification with micrometers; feed consistency test at multiple speeds; pressure calibration using force gauges

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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

How often should feed rollers be replaced?

Replace feed rollers every 300-500 operating hours or when groove wear exceeds 0.1mm. Regular inspection for scoring, corrosion, or groove deformation is recommended monthly.

Can the same rollers handle different wire diameters?

No, rollers must match wire diameter within ±0.1mm tolerance. Using incorrect groove sizes causes slippage, birdnesting, or wire deformation. Quick-change systems allow rapid roller swapping.

What causes uneven wire feeding?

Uneven feeding typically results from worn roller grooves, incorrect pressure settings, misaligned rollers, or contaminated wire surfaces. Check roller condition and pressure calibration first.

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CNFX Industrial Component Index · 机械和设备制造

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