Our CNC Thread Machining Services
Elevate your component’s reliability with our Usinagem de encadeamento CNC services—where advanced Tecnologia CNC transforms raw materials into high-precision threads (interno, external, metric, imperial, e mais). We combine expertise in Thread Cutting e Fresagem de threads to deliver threads with tight tolerances, durable finishes, e qualidade consistente, tailored to automotive, Aeroespacial, e setores industriais. Partner with us for cost-effective, on-time thread solutions that ensure seamless assembly and long-lasting performance.

What Is CNC Thread Machining?
Usinagem de encadeamento CNC is a computer-controlled manufacturing process that creates threaded features—helical ridges (tópicos) on a workpiece’s surface or interior, designed to fasten, connect, or transmit motion between components. Unlike manual thread cutting (which depends on operator skill and risks inconsistency), Usinagem de encadeamento CNC uses pre-programmed Tecnologia CNC to automate every step, ensuring repeatable precision.
The process primarily relies on two core methods: Thread Cutting (removing material to shape threads, Por exemplo, with taps or dies) e Fresagem de threads (using rotating milling cutters to carve threads, ideal for complex or large workpieces). Usinagem de encadeamento CNC integrates CAD/CAM software to define thread parameters—pitch, diâmetro, profundidade, and profile—making it suitable for both standard threads (Por exemplo, metric M5, imperial 1/4-20) and custom designs. Whether for tiny electronic fasteners or large industrial bolts, CNC ensures threads that fit and function perfectly.
Nossas capacidades: O que podemos entregar
Nosso CNC Thread Services cover a full range of thread types and project scales, from prototypes to high-volume production. Below is a detailed breakdown of our Machining Capacity, Precision Thread Machining habilidades, and supported Thread Types:
Categoria de capacidade | Detalhes | Specifications |
Thread Types | Internal (tapped), external (bolts/screws), metric, imperial, ACME, quadrado, buttress, pipe threads | Size range: M1–M100 (metric); #0–1″ (imperial); Tom: 0.25–5 mm (metric); 4–40 TPI (imperial) |
Workpiece Size | Pequenos componentes (Por exemplo, conectores eletrônicos) para grandes partes (Por exemplo, Eixos industriais) | Max workpiece diameter: 1,500 milímetros; Max thread depth: 200 mm |
Volume de produção | Flexible for low-batch prototypes and mass production | Protótipos: 1–100 unidades; Produção em massa: 10,000–1,000,000+ units/year |
Nível de precisão | Ultra-tight control for critical thread performance | Thread tolerance: ISO 4H/4g (alta precisão); ISO 6H/6g (padrão); Runout: ± 0,002 mm |
Personalização | Tailored to unique designs and industry standards | Supports custom thread profiles, non-standard pitches, and hard-to-reach threads (Por exemplo, buracos profundos) |
No matter your thread needs—whether a single custom ACME thread for a machine lead screw or 500,000 metric tapped holes for automotive parts—our Capabilities are scaled to meet your timeline and quality goals.
Processo: The CNC Thread Manufacturing Steps
O CNC Thread Machining Process follows a structured sequence to ensure consistent quality and functionality. Below is a step-by-step overview of our Thread Manufacturing Steps, incluindo Thread Cutting Process, Thread Milling Process, e Thread Forming Process:
- Projeto & Programação: We start with your 2D/3D CAD model (Por exemplo, ETAPA, IGES) and use CAM software to create a CNC program. This program defines key thread parameters: type (internal/external), tamanho, tom, profundidade, e método de usinagem (cutting/milling/forming).
- Preparação do material: The chosen material (Por exemplo, aço, alumínio) is cut into blanks and secured in a CNC machine’s fixture. Para materiais difíceis (Por exemplo, Aço da ferramenta), we may pre-heat-treat to improve machinability.
- Usinagem áspera (Se necessário): For large threads or thick workpieces, we first remove excess material to create a near-final diameter (reducing stress on thread tools during finishing).
- Thread Machining: We select the method based on thread type and material:
- Thread Cutting: Uses taps (for internal threads) or dies (for external threads) to remove material. Ideal for small, standard threads (Por exemplo, M3–M10) e produção de alto volume.
- Fresagem de threads: Uses multi-flute milling cutters to carve threads. Perfect for large threads (Por exemplo, M50+), complex profiles (Por exemplo, ACME), or hard-to-reach areas (Por exemplo, deep internal threads).
- Thread Forming: For ductile materials (Por exemplo, alumínio, latão), we use rolling dies to reshape material (no cutting) for stronger, more durable threads.
Inspeção de qualidade: Após a usinagem, we inspect threads using tools like thread gauges (GO/NO-GO), Comparadores ópticos, or CMMs to verify pitch, diâmetro, and tolerance compliance.
Materiais: Suitable for CNC Thread Machining
Usinagem de encadeamento CNC works with any material that is machinable (for cutting/milling) or ductile (para formar). Abaixo estão o Common Thread Materials we process, along with their Propriedades do material e usos ideais:
Material | Dureza (CDH) | Resistência à tracção (MPA) | Propriedades -chave | Typical Thread Applications |
Aço carbono (1045) | 15–20 (recozido); 30–35 (tratado termicamente) | 600–700 | Boa força, baixo custo, fácil de máquina | Parafusos, nozes, fixadores industriais |
Aço inoxidável (316) | 18–22 | 550 | Resistência à corrosão, durabilidade | Hardware marinho, medical equipment |
Liga de alumínio (6061) | 6–12 | 310 | Leve, alta ductilidade, boa condutividade | Componentes aeroespaciais, gabinetes eletrônicos |
Latão (C36000) | 15–20 | 310 | Excelente máquina, baixo atrito | Acessórios de encanamento, conectores elétricos |
Liga de titânio (Ti-6al-4V) | 30–35 | 900 | Alta proporção de força / peso, Biocompatibilidade | Aircraft fasteners, orthopedic implants |
Nosso Seleção de material process involves collaborating with you to match material properties to your thread’s use case—e.g., corrosion resistance for marine threads, lightweight for aerospace, or ductility for formed threads.
Tratamento de superfície: Enhancing Thread Performance
Thread Surface Treatment is critical for improving wear resistance, Proteção à corrosão, and thread life—especially for threads exposed to harsh environments or frequent assembly/disassembly. Below are our Acabamento superficial opções, junto com seus benefícios:
Treatment Methods | Rugosidade da superfície (Rá) | Principais benefícios | Ideal para |
Batinho de zinco (with Chromate Passivation) | 0.8–3.2 μm | Resistência à corrosão (500+ Horas Salp spray); baixo custo | Automotive fasteners, Equipamento ao ar livre |
Anodizando (Tipo III, Hard Anodize) | 0.4–1.6 μm | Duro, superfície resistente ao desgaste (60+ CDH); isolamento elétrico | Aluminum aerospace threads, electronic components |
Teflon Coating | 0.2–0.8 μm | Baixo atrito; prevents thread seizing (gallling) | Stainless steel or titanium threads in high-heat applications |
Carburismo & Moagem | 0.1–0.4 μm | Aumenta a dureza da superfície (58–62 HRC); core toughness | High-load threads (Por exemplo, machine lead screws, gearbox bolts) |
Eletropolismo | 0.02–0.1 μm | Mirror-like finish; removes burrs; enhances corrosion resistance | Medical threads (Por exemplo, implant screws), Equipamento de processamento de alimentos |
Nós adaptamos Post-Machining Treatment to your thread’s needs—whether you need to prevent rust on outdoor threads or reduce friction on high-cycle threads.
Tolerâncias: Precision for Reliable Thread Function
Thread Tolerances directly impact fit and performance: too loose, and threads may vibrate loose; Muito apertado, and they may seize or break. We maintain strict Controle de tolerância Para atender aos padrões globais. Below are our Tolerâncias de precisão for key thread features:
Thread Feature | Tolerance Levels | Padrão da Indústria (ISO 965-1) | Impact on Performance |
Major Diameter (External Threads) | ±0.003–±0.01 mm | 4g (alta precisão); 6g (padrão) | Ensures proper fit with nuts; prevents excessive play |
Minor Diameter (Internal Threads) | ±0.004–±0.012 mm | 4H (alta precisão); 6H (padrão) | Maintains thread strength; avoids thread stripping |
Pitch Error | ±0.002–±0.008 mm | Aula 3 (alta precisão); Aula 2 (padrão) | Ensures smooth assembly; reduces wear during tightening |
Thread Runout | ±0.001–±0.005 mm | ISO 1101 | Prevents uneven load distribution; reduces vibration |
Nosso Tolerâncias de usinagem are calibrated to your application—from Class 2/6H/6g (everyday fasteners) to Class 3/4H/4g (critical aerospace or medical threads).
Vantagens: Why Choose CNC Thread Machining?
Usinagem de encadeamento CNC offers clear benefits over manual or traditional thread-making methods. Abaixo estão a chave Advantages of CNC Thread Machining:
- Precisão superior: Com Vantagens de precisão like Class 3 tolerance and ±0.002 mm pitch error, CNC ensures threads that fit perfectly every time. Manual tapping often struggles to meet even Class 2 padrões.
- Vantagens de custo: Para produção de alto volume, CNC automates labor-intensive steps (Por exemplo, tocando, moagem), reducing labor costs by 35–50% vs. manual methods. It also minimizes tool wear (CNC tools last 2–3x longer), cutting replacement costs.
- Flexibility for Custom Threads: CNC easily handles non-standard threads (Por exemplo, custom pitches, ACME profiles) or hard-to-reach threads (Por exemplo, deep internal holes) without retooling. Manual methods require new tools for each custom design.
- Quality Advantages: CNC uses real-time monitoring to detect issues (Por exemplo, Desgaste da ferramenta, material defects) early, garantindo 99.8% defect-free production. Manual threading relies on operator judgment, leading to 5–10% error rates.
Faster Lead Times: Máquinas CNC funcionam 24/7, cutting lead times by 40–60% for high-volume orders. Um lote de 10,000 tapped holes takes 1–2 days with CNC, vs.. 3–5 days with manual tapping.
Indústria de aplicativos: Where CNC Threads Add Value
Nosso CNC Thread Services support diverse Setores da indústria, addressing unique challenges in each field. Abaixo estão chave Aplicações do setor and how we deliver value:
Indústria | Application Fields | CNC Thread Uses | Os principais requisitos atendidos |
Automotivo | Blocos do motor, transmission casings, chassis components | Metric tapped holes (M6–M12), external bolts | Alto volume (500,000+ unidades/ano); ISO 6H/6g tolerance; Resistência à corrosão |
Aeroespacial | Asas de aeronaves, montagens do motor, hydraulic systems | Titanium/Inconel threads, ACME lead screws | Materiais leves; Aula 3 precisão; resistência de alta temperatura |
Máquinas industriais | Machine tool beds, rolos transportadores, Altas da bomba | Large pipe threads (NPT), square threads | Alta capacidade de carga; ISO 7H/7g tolerance; resistência ao desgaste |
Eletrônica | Gabinetes da placa de circuito, connector ports | Small metric threads (M1–M3), brass tapped holes | Miniature size; baixo atrito; condutividade elétrica |
Médico | Instrumentos cirúrgicos, dispositivos implantáveis (Por exemplo, Parafusos ósseos) | Titanium threads, acabamentos polidos | Biocompatibilidade; Aula 3 precisão; Resistência à corrosão (ISO 10993) |
Técnicas de fabricação: Métodos avançados que usamos
To deliver top-tier threads, Usamos o estado da arte Thread Manufacturing Techniques e Machining Techniques. Below are our core methods:
- CNC Tapping: The most common method for internal threads. A rotating tap (cutting tool) is fed into the workpiece to remove material and form threads. Ideal for small, standard threads (Por exemplo, M3–M10) e produção de alto volume.
- CNC Thread Milling: Uses multi-flute milling cutters to carve threads in 3D space. Perfect for large threads (Por exemplo, M50+), complex profiles (Por exemplo, ACME, buttress), or workpieces with thin walls (reduces material deformation).
- CNC Thread Forming (Rolando): For ductile materials (alumínio, latão), we use rolling dies to reshape material (no cutting) into threads. Formed threads are 30–50% stronger than cut threads (no material removal) and ideal for high-load applications.
- 5-Axis Thread Milling: For angled or off-center threads (Por exemplo, on curved aerospace components). The 5-axis system adjusts the workpiece’s angle in real time, ensuring threads are aligned perfectly with the component’s geometry.
Micro-Thread Machining: For tiny threads (M1–M2) in electronics or medical devices. Uses ultra-small tools (0.1–1 mm diameter) and high-speed CNC machines to achieve sub-micron precision.
Estudos de caso: Histórias de sucesso de nossos clientes
Estudo de caso 1: Automotive Engine Block Tapped Holes
Desafio: Um fabricante automotivo líder necessário 1 million metric tapped holes (M8 × 1.25, ISO 6H) in aluminum engine blocks. The holes required consistent depth (15 milímetros), sem rebarbas, and a 5-day lead time—manual tapping couldn’t meet the volume or precision.
Solução: We used CNC multi-spindle tapping machines (8 spindles/unit) to tap 8 holes simultaneously. We chose aluminum alloy (6061) for the blocks and added zinc plating to the taps for longer tool life. Our real-time monitoring system checked hole depth and tolerance after each cycle.
Resultado: Entregue 1 million holes in 4.5 dias com 99.9% taxa livre de defeitos. O cliente relatou um 30% reduction in assembly time (no burrs to clean) e a 25% lower tool cost vs. seu fornecedor anterior.
Estudo de caso 2: Aerospace Titanium Lead Screws
Desafio: An aerospace company needed 200 ACME lead screws (1″ diâmetro, 5 TPI, Aula 3 tolerância) for aircraft hydraulic systems. The screws required titanium alloy (Ti-6al-4V) tópicos, 100 mm thread depth, and FAA certification—manual machining couldn’t reach the precision or depth.
Solução: We used 5-axis CNC thread milling with solid carbide cutters. We heat-treated the titanium to 35 HRC before machining and added Teflon coating to prevent thread seizing. Each screw was inspected with a CMM and thread gauge to verify Class 3 conformidade.
Resultado: All screws passed FAA certification. The client noted that the threads handled 25% more load than their previous steel screws and showed no wear after 1,000+ Ciclos de teste.
Por que nos escolher: Our Strengths as Your CNC Thread Partner
Quando você escolhe nosso Usinagem de encadeamento CNC serviços, you get more than a supplier—you get a partner focused on your success. Aqui está o Reasons to Choose us:
- Especialização & Experiência: Nossa equipe tem 18+ anos depois Thread Manufacturing, with engineers certified in ISO 965-1 (thread tolerances) e padrões aeroespaciais (AS9100). Nós trabalhamos com 400+ clientes em todo o automóvel, Aeroespacial, and medical sectors.
- Equipamento avançado: We operate 40+ CNC machines—including multi-spindle tapping centers, 5-axis thread mills, and micro-threading machines (from Haas and DMG Mori). Our equipment is calibrated weekly to maintain Class 3 Precisão.
- Garantia de qualidade: Nosso ISO 9001:2015 and AS9100-certified facility includes in-house thread gauges (GO/NO-GO), Cmms, and salt spray test chambers. Every thread undergoes 3 Inspeções (Pré-fazenda, mid-process, final) para garantir a conformidade.
- Flexible Lead Times: We offer rush services for prototypes (Tão rápido quanto 24 horas) and scalable production for high-volume orders. Nosso 24/7 production line cuts lead times by 30% vs.. concorrentes.
- Competitive Advantages: Our in-house tooling and material sourcing reduce costs by 15–20% compared to competitors—without compromising quality. We also offer free design optimization consultations: our engineers analyze your thread designs to suggest tweaks (Por exemplo, adjusting thread depth for strength, choosing the right material for cost-efficiency) that save you money in the long run.
- Suporte centrado no cliente: Atribuímos um gerente de projeto dedicado a todos os clientes, ensuring clear communication from quote to delivery. Whether you need updates on a production run or help troubleshooting a custom thread design, Nossa equipe responde dentro 24 horas. We also offer flexible shipping options (ar, sea, ground) Para cumprir prazos apertados, even for global clients.