行业组件数据 · 2026

转子/螺杆

A rotating component in screw feeders that moves bulk materials through controlled displacement.

技术定义与适配语境
典型 转子/螺杆 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 rotor/screw is the central rotating element in rotary or screw feeders, consisting of a helical flight wrapped around a central shaft. It creates positive displacement by rotating within a housing or tube, moving powdered, granular, or pelletized materials from the inlet to the discharge point with precise volumetric control. This component determines feed rate, material integrity, and system efficiency through its geometry, pitch, and rotational speed.

组件规格

定义
The rotor/screw is the central rotating element in rotary or screw feeders, consisting of a helical flight wrapped around a central shaft. It creates positive displacement by rotating within a housing or tube, moving powdered, granular, or pelletized materials from the inlet to the discharge point with precise volumetric control. This component determines feed rate, material integrity, and system efficiency through its geometry, pitch, and rotational speed.
工作原理
The rotor/screw operates on the Archimedes' screw principle: as it rotates, the helical flights create discrete pockets that trap and advance material axially. The controlled rotation (typically 5-60 RPM) provides consistent volumetric displacement, with feed rate adjustable via speed control. Material is pushed forward by the flight's leading edge while prevented from backflow by close clearance with the housing.
材料
Typically carbon steel (AISI 1045/4140)stainless steel (304/316)hardened steelor wear-resistant alloys. Surface treatments include hard chrome platingtungsten carbide coatingor nitriding for abrasion resistance. Food/pharmaceutical applications use polished 316L stainless or FDA-approved plastics.
Pitch
0.5-1.5 times diameter
Length
300-3000 mm
Max RPM
100
Diameter
50-500 mm
Tolerance
±0.1 mm clearance
Surface Finish
Ra 0.4-3.2 μm
Flight Thickness
3-20 mm
Temperature Range
-40°C to 200°C
标准
ISO 9001DIN 15262ISO 3408DIN 103

行业分类与别名

转子/螺杆 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 material contact->Flight wear reducing feed accuracy->Use hardened coatings, implement wear monitoring, select appropriate clearance
Over-torque operation->Shaft deformation or fracture->Install torque limiters, proper motor sizing, regular alignment checks
Material buildup->Increased friction and motor overload->Implement cleaning cycles, use anti-stick coatings, maintain proper humidity control

工业生态与工程逻辑

0
Wear from abrasive materials
1
Material degradation from shear
2
Blockage from cohesive materials
3
Imbalance causing vibration
4
Corrosion in harsh environments
5
Bearing failure from overload

合规与检测

tolerance
Radial runout ≤ 0.1% of diameter, axial clearance 0.1-0.3 mm, concentricity within 0.05 mm
test method
Dimensional verification per ISO 2768, material certification, rotational balance testing (ISO 1940 G6.3), pressure testing for sealed 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's the difference between a rotor and screw in feeders?

In context, 'rotor' typically refers to the entire rotating assembly in rotary valves, while 'screw' specifically describes the helical flight component. However, 'rotor/screw' is often used interchangeably for the rotating element in screw feeders.

How do I select the right rotor/screw material?

Base material selection on: 1) Material abrasiveness (hardened steel for abrasive materials), 2) Corrosion requirements (stainless for corrosive/clean environments), 3) Industry regulations (FDA/USDA for food), and 4) Temperature conditions.

What maintenance does a rotor/screw require?

Regular inspection for wear (especially flight edges), clearance checks, lubrication of bearings/shaft, cleaning to prevent material buildup, and balancing verification after repairs.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

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
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 转子/螺杆

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 转子/螺杆?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
转子/定子绕组(用于旋转变压器)
下一个组件
转子/运动元件
URN:CNFX:ME:UNIT:ROTOR_SCREW