行业组件数据 · 2026

针板/喉板

A precision component in sewing machines that guides fabric and protects the needle during material feeding operations.

技术定义与适配语境
典型 针板/喉板 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 Needle Plate/Throat Plate is a critical component of the material feed mechanism in industrial sewing machines. It is a flat, precisely machined plate with openings that accommodate the needle and feed dog movements. This component serves as a guide for fabric advancement, prevents material distortion during stitching, and protects the needle from damage by providing a stable surface for penetration. Its design directly influences stitch quality, material handling efficiency, and operational safety in textile manufacturing processes.

组件规格

定义
The Needle Plate/Throat Plate is a critical component of the material feed mechanism in industrial sewing machines. It is a flat, precisely machined plate with openings that accommodate the needle and feed dog movements. This component serves as a guide for fabric advancement, prevents material distortion during stitching, and protects the needle from damage by providing a stable surface for penetration. Its design directly influences stitch quality, material handling efficiency, and operational safety in textile manufacturing processes.
工作原理
The needle plate operates by providing a fixed reference surface with precisely positioned openings. As the feed dog moves upward through the slot to advance fabric, the needle penetrates through the needle hole. The plate's smooth surface reduces friction while its edges guide fabric consistently. Different plate designs (straight stitch, zigzag, embroidery) control stitch formation by restricting or allowing lateral needle movement.
材料
High-carbon steel (AISI 1095) or hardened stainless steel (AISI 420) with hardness 50-55 HRC. Surface finish: 0.4-0.8 μm Ra. Thickness: 1.5-3.0 mm depending on machine type.
Plate Thickness
1.8 mm ±0.1 mm
Surface Hardness
52 HRC minimum
Flatness Tolerance
0.05 mm/m
Feed Dog Slot Width
3.0-5.0 mm
Corrosion Resistance
Salt spray test 48 hours
Needle Hole Diameter
1.6-2.0 mm
标准
ISO 4915ISO 4916DIN 61400

行业分类与别名

针板/喉板 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

Improper installation or alignment->Needle strikes plate edge causing breakage->Implement installation torque specifications and alignment verification procedures
Material fatigue from cyclic loading->Crack formation around needle hole->Regular inspection schedule and preventive replacement based on operational hours
Abrasive fabric materials->Surface wear altering fabric guidance->Use hardened materials and implement material-specific plate selection guidelines

工业生态与工程逻辑

0
Needle breakage from misalignment
1
Fabric damage from burrs or sharp edges
2
Stitch quality degradation from wear
3
Operator injury from exposed sharp edges

合规与检测

tolerance
Needle hole position ±0.05 mm, Flatness 0.05 mm/m, Surface roughness Ra ≤ 0.8 μm
test method
Coordinate measuring machine (CMM) verification, Surface profilometer testing, Hardness testing per ISO 6508

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 is the difference between a needle plate and a throat plate?

These terms are often used interchangeably in industrial contexts. Technically, the needle plate refers specifically to the area around the needle hole, while the throat plate may include additional features for specialized applications, but in modern industrial sewing machines, they typically refer to the same component.

How often should needle plates be replaced?

Needle plates should be inspected monthly for wear, burrs, or damage. Replacement is typically needed every 6-12 months in continuous operation, or immediately if visible damage affects stitch quality or causes fabric snagging.

Can different needle plates affect stitch quality?

Yes, the needle hole size, feed dog slot dimensions, and surface finish directly impact stitch formation, thread tension, and fabric feeding consistency. Using the wrong plate type can cause skipped stitches, puckering, or needle breakage.

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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
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。

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URN:CNFX:ME:UNIT:NEEDLE_PLATE_THROAT_PLATE