行业组件数据 · 2026

高效饲料颗粒机模具体

The die body is the core component of a high-efficiency feed pellet mill that shapes and compresses feed material into uniform pellets through extrusion.

技术定义与适配语境
典型 高效饲料颗粒机模具体 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 die body, also known as the pellet die or ring die, is a precision-engineered cylindrical component in a high-efficiency feed pellet mill. It contains an array of precisely machined holes (die holes) through which feed mash is forced under high pressure by rotating rollers. This process compresses the material, generating heat and binding it into dense, uniform cylindrical pellets. The die body's design directly determines pellet size, shape, density, and production throughput. It is a critical wear part subject to extreme mechanical stress, abrasion, and thermal cycling.

组件规格

定义
The die body, also known as the pellet die or ring die, is a precision-engineered cylindrical component in a high-efficiency feed pellet mill. It contains an array of precisely machined holes (die holes) through which feed mash is forced under high pressure by rotating rollers. This process compresses the material, generating heat and binding it into dense, uniform cylindrical pellets. The die body's design directly determines pellet size, shape, density, and production throughput. It is a critical wear part subject to extreme mechanical stress, abrasion, and thermal cycling.
工作原理
The die body operates on the principle of extrusion and compaction. Feed material (mash) is fed into the gap between the rotating die body and stationary (or counter-rotating) rollers. The rollers press the material against the inner surface of the die body, forcing it through the tapered die holes. Friction and pressure within the holes generate heat (typically 70-90°C), which plasticizes natural binders (like starch) in the feed, causing the material to bind together. The extruded strands are cut to length by external knives to form pellets.
材料
High-chromium alloy steel (e.g.X46Cr13D2 equivalent)through-hardened to 58-62 HRC for optimal wear resistance and toughness. Premium versions may use tungsten carbide-lined die holes for extended life in abrasive applications.
Hole Pattern
Staggered or straight
Working Width
40-120 mm
Outer Diameter
300-800 mm
Surface Finish
< 0.8 μm Ra
Die Hole Diameter
2.0-12.0 mm
Taper Inlet Angle
30-45 degrees
Compression Ratio (L/D)
8:1 to 20:1
标准
ISO 9001DIN 8580

行业分类与别名

高效饲料颗粒机模具体 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

Excessive abrasive wear from high-silica feed materials.->Enlarged die holes produce oversized, low-density pellets; increased power consumption.->Use tungsten carbide-lined dies for abrasive feeds; implement feed ingredient screening to reduce silica; monitor pellet size and density regularly.
Thermal fatigue from repeated heating/cooling cycles without controlled temperature management.->Micro-cracks propagate, leading to catastrophic die body fracture.->Implement pre-heating protocols before startup; use temperature-controlled conditioning; avoid sudden shutdowns with hot material in the die.

工业生态与工程逻辑

0
Premature wear from abrasive feed ingredients
1
Die hole blockage due to improper mash conditioning
2
Fatigue cracking from cyclic thermal and mechanical stress
3
Reduced pellet quality from worn die holes

合规与检测

tolerance
Die hole diameter tolerance: ±0.05 mm; concentricity: < 0.1 mm TIR; hardness uniformity: ±1 HRC.
test method
Dimensional inspection via CMM; hardness testing per ASTM E18; metallographic analysis for microstructure; production trial with standard feed recipe to verify pellet specifications.

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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

What factors affect the lifespan of a pellet die body?

Lifespan is primarily affected by material abrasiveness (e.g., silica content in feed), operating pressure, maintenance of proper roller-die clearance, regular cleaning to prevent corrosion, and using appropriate die material (alloy steel vs. carbide) for the application.

How does die hole compression ratio influence pellet quality?

Higher compression ratios (longer hole length relative to diameter) increase compaction pressure and residence time, producing denser, more durable pellets with lower fines. However, they also increase power consumption and may require higher moisture content or binders.

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CNFX Industrial Component Index · 食品制造

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