行业组件数据 · 2026

主轧辊轴

Main roller shaft is the central rotating component in industrial dough sheeter roller assemblies that transfers torque and supports compression forces during dough flattening operations.

技术定义与适配语境
典型 主轧辊轴 会按材料、尺寸公差、适配关系和失效风险在 食品制造 中评估。

The main roller shaft is a precision-engineered cylindrical component that serves as the structural backbone of industrial dough sheeter roller assemblies. It transmits rotational power from the drive system to the compression rollers while maintaining precise alignment under significant mechanical loads. This shaft must withstand continuous torsional stress, radial compression forces up to 15 kN, and maintain dimensional stability within ±0.02mm tolerance during high-volume production cycles. Its design incorporates keyways, bearing journals, and mounting surfaces specifically engineered for food-grade applications with frequent sanitation requirements.

组件规格

定义
The main roller shaft is a precision-engineered cylindrical component that serves as the structural backbone of industrial dough sheeter roller assemblies. It transmits rotational power from the drive system to the compression rollers while maintaining precise alignment under significant mechanical loads. This shaft must withstand continuous torsional stress, radial compression forces up to 15 kN, and maintain dimensional stability within ±0.02mm tolerance during high-volume production cycles. Its design incorporates keyways, bearing journals, and mounting surfaces specifically engineered for food-grade applications with frequent sanitation requirements.
工作原理
The main roller shaft operates on rotational mechanics principles, converting motor torque into controlled roller compression. As the central power transmission element, it maintains constant angular velocity while supporting variable radial loads from dough thickness variations. The shaft's rigidity prevents deflection that could cause uneven dough thickness, while its surface finish minimizes friction at bearing interfaces. Precision-ground journals ensure smooth rotation at speeds up to 120 RPM with vibration levels below 0.5 mm/s RMS.
材料
Stainless Steel AISI 316L (Food Grade)Hardness: 35-40 HRCSurface Finish: Ra 0.4μmCorrosion Resistance: ASTM A967 PassivatedMagnetic Permeability: <1.05
Length
1200mm
Weight
42.5kg
Max RPM
150
Diameter
80mm
Max Torque
850 Nm
Straightness
0.02mm/m
Runout Tolerance
0.015mm TIR
Surface Hardness
35-40 HRC
Temperature Range
-10°C to 150°C
标准
ISO 22000DIN 11850FDA 21 CFR Part 177EHEDG Certified

行业分类与别名

主轧辊轴 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

Inadequate lubrication of bearing journals->Increased friction leading to overheating and seizure->Implement automated lubrication system with food-grade grease, install temperature sensors on bearing housings
Corrosive attack from acidic dough components->Pitting corrosion reducing structural integrity->Use AISI 316L stainless steel with enhanced passivation, implement daily cleaning protocol with pH-neutral sanitizers
Improper alignment during installation->Premature bearing wear and vibration transmission->Use laser alignment tools during installation, implement quarterly alignment verification procedures

工业生态与工程逻辑

0
Metal fatigue from cyclic loading
1
Corrosion from acidic dough ingredients
2
Bearing seizure due to inadequate lubrication
3
Shaft deflection causing uneven dough thickness
4
Contamination risk from material degradation

合规与检测

tolerance
±0.02mm diameter, ±0.015mm runout, ±0.5° angular alignment
test method
Laser micrometer measurement, dynamic balancing to G2.5 grade, salt spray testing per ASTM B117, material certification per EN 10204 3.1

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 maintenance is required for main roller shafts in dough sheeters?

Monthly inspection for surface wear, quarterly bearing lubrication with food-grade grease, and annual alignment verification. Shafts should be cleaned daily with food-safe sanitizers and inspected for corrosion or scoring.

How often should main roller shafts be replaced in commercial bakeries?

With proper maintenance, shafts typically last 5-7 years in 24/7 operations. Replacement indicators include visible scoring deeper than 0.1mm, vibration exceeding 1.0 mm/s, or runout exceeding 0.03mm TIR.

Can main roller shafts be customized for different dough types?

Yes, shafts can be engineered with different diameters (60-120mm), surface finishes (Ra 0.2-0.8μm), and hardness levels (30-45 HRC) to optimize performance for specific dough viscosities and production speeds.

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CNFX Industrial Component Index · 食品制造

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URN:CNFX:ME:UNIT:MAIN_ROLLER_SHAFT