Straight coolant holes carbide rods are the backbone of many precision machining applications, combining durability, precision, and reliability. In this guide, we’ll delve into everything you need to know about straight coolant holes carbide rods. From their composition to their applications, production processes, and beyond, this comprehensive guide will help you become an expert on the topic.
What are Straight Coolant Holes Carbide Rods?
Straight coolant holes carbide rods are cylindrical rods made from tungsten carbide with integrated straight coolant holes running longitudinally. These holes improve machining performance by allowing coolant to flow directly to the cutting edge, reducing heat buildup, and enhancing tool life.
Raw Material and Composition Analysis of Straight Coolant Holes Carbide Rod
The strength and durability of these rods come from their material composition. Let’s break it down.
- 텅스텐 카바이드(WC): Forms the base matrix, known for its exceptional hardness and wear resistance.
- 코발트 (Co): Acts as a binder, providing toughness and elasticity.
- Metallic Additives: Often include tantalum (Ta), titanium (Ti), or niobium (Nb) to enhance specific properties.
- 입자 크기: Fine-grained powders (0.5-2 µm) are used for higher hardness and strength, while coarse grains (>2 µm) add toughness.
Composition Breakdown of Straight Coolant Holes Carbide Rods
| 재질 | 기능 | Typical Proportion (%) |
|---|---|---|
| 텅스텐 카바이드 | Base material for hardness | 70-90 |
| 코발트 | Binder for toughness | 6-12 |
| Metallic Additives | Property enhancers (e.g., Ta, Ti) | 0-10 |
| Others (e.g., Ni) | Fine-tuning mechanical behavior | <1 |
Production Process Flow of 직선형 절삭유 홀 카바이드 로드
Creating straight coolant holes carbide rods involves precision engineering. Here’s a detailed walkthrough of the production process:
- 파우더 준비: High-purity tungsten carbide and cobalt powders are mixed with additives and binders.
- 누릅니다: The powder mixture is pressed into cylindrical green compacts with straight holes created using pin molds.
- Pre-Sintering: These green compacts are pre-sintered to achieve initial strength.
- Final Sintering: Rods are sintered in a high-temperature furnace, where tungsten carbide and cobalt bond chemically.
- 연마 및 연마: Rods undergo precise machining to achieve dimensional accuracy and surface finish.
Visual Representation:
| 단계 | Process Description |
|---|---|
| 분말 준비 | Mixing tungsten carbide, cobalt, and additives |
| 누르기 | Forming the raw shape with holes |
| 사전 소결 | Strengthening green compacts |
| 최종 소결 | Heating to bond the materials |
| 연마 및 연마 | Achieving final size and surface quality |
Applications of Straight Coolant Holes Carbide Rod
Key Industries Utilizing These Rods
Straight coolant holes carbide rods are essential in industries demanding precision and durability. Let’s explore their common applications:
| 산업 | 애플리케이션 |
|---|---|
| 자동차 | Drilling engine blocks, crankshafts, and precision components |
| 항공우주 | Cutting heat-resistant superalloys |
| 의료 | Manufacturing surgical tools and orthopedic implants |
| 전자 제품 | Machining small, precise parts |
| 일반 가공 | High-speed and precision milling, drilling, and cutting |
Why Are They Preferred?
- Enhanced Cooling: Direct coolant flow reduces thermal damage.
- 툴 수명 연장: Lowers wear and tear.
- High Precision: Maintains accuracy in demanding applications.
머티리얼 속성 직선형 절삭유 홀 카바이드 로드
Let’s analyze the properties that make these rods indispensable.
| 속성 | 설명 |
|---|---|
| 경도(HRA) | 89-93, ensuring wear resistance |
| 밀도(g/cm³) | 14.0-14.5, denoting material compactness |
| 굴곡 강도(MPa) | 2800-4000, allowing high stress handling |
| 열 전도성 | Excellent, enhancing heat dissipation |
| 내식성 | Resistant to most chemical attacks |
Comparison of Metal Powder Models
Below are some specific tungsten carbide powder models used in straight coolant holes carbide rods:
| 모델 | 설명 |
|---|---|
| WC-10 | Standard grain size, suitable for general-purpose machining. |
| WC-20 | Fine grain, designed for high-precision drilling applications. |
| WC-30 | Medium grain, balanced between toughness and wear resistance. |
| WC-40 | Coarse grain for heavy-duty applications with extended tool life. |
| TaC-1 | Tantalum-enriched powder for added heat resistance. |
| TiC-2 | Titanium additive for corrosion-resistant applications. |
| NbC-3 | Niobium carbide for improved toughness in challenging conditions. |
| Ni-Co Blend 1 | Nickel-cobalt blend for improved flexibility in impact-prone environments. |
| Ultra-Micron | Ultra-fine powder for ultra-precise machining tasks. |
| Eco-Carbide | Environmentally friendly composition with reduced cobalt content. |
사양, 크기, 모양 및 표준
Specification Overview
| 매개변수 | Range/Options |
|---|---|
| 지름 | 3 mm to 30 mm |
| 길이 | 50 mm to 330 mm |
| 냉각수 구멍 지름 | 0.5 mm to 5 mm |
| 허용 오차 | Up to ±0.01 mm |
| 표준 | ISO, DIN, ANSI |
Selecting the Right Straight Coolant Holes Carbide Rod
Here’s how to choose the perfect rod for your needs:
고려해야 할 요소
| 팩터 | 설명 |
|---|---|
| 머티리얼 속성 | Match hardness, toughness, and wear resistance to the application. |
| Coolant Hole Size | Ensure compatibility with your cooling system. |
| Tolerance Requirements | Check dimensional precision needs. |
| Price vs. Performance | Balance cost with durability and performance benefits. |
장점과 한계
| 장점 | 제한 사항 |
|---|---|
| Enhanced tool life due to effective cooling. | Higher initial cost compared to standard rods. |
| Improved machining performance at higher speeds. | Specialized handling required during production. |
| Versatile applications in multiple industries. | May require specific coolant systems for optimum performance. |
공급업체 및 가격 세부 정보
Top Suppliers
| 공급업체 | 위치 | 가격 범위(USD) |
|---|---|---|
| 케나메탈 | 글로벌 | $30 – $150 per piece |
| 샌드빅 | 스웨덴 | $40 – $200 per piece |
| 세라티지트 | 룩셈부르크 | $50 – $180 per piece |
| Zhuzhou Cemented | 중국 | $20 – $100 per piece |
| 스미토모 전기 | 일본 | $35 – $160 per piece |
자주 묻는 질문
| 질문 | 답변 |
|---|---|
| What are straight coolant holes for? | They allow coolant to reach the cutting edge, reducing heat and extending tool life. |
| How are they better than solid rods? | They improve cooling and are more effective in high-speed machining. |
| What industries use them? | Automotive, aerospace, medical, electronics, and general machining. |
| Can I use these rods without coolant? | It’s not recommended, as they’re designed for use with a cooling system. |
