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Alargadores de metal duro

Introduction Of Carbide Reamer

Carbide reamers are designed for precision hole finishing, made from high-quality tungsten carbide to offer exceptional accuracy, wear resistance, and long tool life. Our solid carbide reamers are equipped with advanced coatings such as TiAlN, DLC, and AlTiN, making them suitable for machining materials like stainless steel, titanium alloys, tool steels, cast iron, high-temperature alloys, aluminum, and other non-ferrous metals. With the ability to achieve the highest precision requirements within 0.002-0.003 mm, they meet the stringent standards of industries like aerospace, automotive manufacturing, medical devices, and mold making.

At Sundi, we offer a wide range of reamers suitable for both blind and through-hole machining. Our carbide reamers can improve your process flow, enhance reliability, and significantly reduce costs. If you need high-precision hole diameters and superior surface finish while boosting production efficiency and reducing manufacturing costs, Sundi is your trusted partner.

PRODUCTS

Sundi offers a comprehensive range of reamers, including solid reamers, long reamers, and custom step drills or drill reamers, designed to meet all your precision hole finishing needs. Whether you’re looking for standard or custom solutions, our tools ensure high-quality results and precision for a variety of applications.

Straight Flute Reamer

Straight flute reamers are used for general hole finishing, providing better surface finish.

Spiral Flute Reamer

Spiral flute reamers offer higher durability and faster cutting speeds in hard materials.

Carbide Drill Reamer

Carbide drill reamers complete drilling and reaming in one operation, providing high efficiency and precision.

Carbide Taper Reamer

Carbide taper reamers are used for precision finishing of tapered holes, ensuring a perfect fit for taper pins.

Carbide Tipped Reamer

Carbide tipped reamers feature a steel body with carbide tipped, ensuring precision while reducing cost.

Carbide Step Reamer

Step reamers can machine multiple diameters in one operation, achieving integrated shaping of multi-size holes.

Solid Carbide Long Reamer

long reamer can precisely machine deep holes or long workpieces, balancing rigidity and accuracy.

Custom Chucking Reamers

We also offer a wide range of custom chucking reamers, tailored to meet specific machining needs.
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Features of the solid carbide reamer

Excellent reaming performance.

  • Made from high-purity tungsten carbide (WC-Co) fine-grain material for superior durability.

  • Efficiently processes difficult-to-machine materials such as titanium alloys, Inconel, and HRC45-60 hardened steels.

  • Suitable for machining common materials like cast iron, aluminum alloys, and stainless steel.

  • Precision-ground cutting edges with optimized flute design ensure H5-H7 tolerance control and low surface roughness.

  • No burrs or residue left, even in high-speed or intermittent cutting applications.

  • Stable performance under high cutting speeds, meeting batch production requirements.

  • Strong consistency in machining quality, reducing tool changes and improving production efficiency.

Coatings enhance durability.

  • Multiple high-performance coating options to precisely match different machining scenarios:

    • TiAlN coating (high temperature, oxidation resistance) for high-speed cutting of steels and alloys.

    • Revestimento DLC (low friction, wear resistance) for machining non-ferrous metals and sticky materials.

    • AlTiN coating (high hardness, corrosion resistance) for extreme machining conditions.

  • Coatings form a protective barrier on the tool surface, significantly reducing cutting friction.

  • Coated tools offer 3-5 times longer lifespan compared to uncoated reamers, ensuring stable performance during long-term, continuous operations.

  • Sundi, in partnership with Oerlikon, uses the most advanced and precise coating technologies available to recommend the best coating solution for your machining conditions.

Mecanismo de arrefecimento por aplicação

Our carbide reamers feature application-specific cooling designs to optimize chip removal and heat dissipation:

 
  • Para furos passantes: Adopt external coolant delivery (paired with standard flood/oil mist systems). Coolant flows around the reamer to flush chips through the hole while cooling the cutting zone, ideal for open, through-hole machining.
  • For Blind Holes: Equip center coolant holes that direct coolant straight to the cutting edge. This flushes chips upward (out of the blind hole) and prevents heat buildup, solving the clogging issue in closed-hole machining.
     
    We also offer multiple coolant hole configurations (double straight, double spiral, single-side straight, etc.) to match your machining setup, ensuring efficient cooling in high-speed, precision reaming processes.
líquido de refrigeração para furos cegos

Para furos passantes

líquido de arrefecimento para furos

Para furos cegos (centro de refrigeração)

Formas comuns de furos de refrigeração

Furo de refrigeração duplo reto
Furo de refrigeração em espiral dupla
Orifício de refrigeração único
Furo de refrigeração simples e reto em ambos os lados

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Why Choose Sundi for reamers

Quem somos

At the heart of our operation is a commitment to crafting high-performance Carbide Reamers. With decades of expertise in the PCD and carbide tool industry, Sundi stands out not only for its advanced manufacturing capabilities but also for offering tailored reaming solutions that prioritize precision, longevity, and efficiency. Our team, with an average of 20 years of experience, works closely with clients from the design stage to the final application, providing expert engineering consultations and strategic cutting data to ensure top-tier results in every project.
escareador de metal duro

O que nos tornou diferentes

  • 7×24 horas

    7x24Hrs online para suporte técnico

  • Molde 3D

    Conceção e construção de moldes 3D

  • 1/2 custo

    A mesma qualidade em comparação com a marca de topo, mas a metade ou um quarto do custo.

  • 7 dias

    Reação rápida em apenas 7 dias, desde a aprovação do desenho até à entrega

  • 3 dias de envio

    Envio para todo o mundo (UPS, DHL, FedEx, TNT)

  • Garantia de 1 ano

    Garantia de qualidade e pós-venda sem preocupações durante 12 meses

FAQ

1. What is the main purpose of a reamer?

The main purpose of a reamer is to provide precision finishing to an existing hole, improving its size, shape, and surface finish. Reamers are typically used to achieve tight tolerances and smooth surfaces, ensuring that holes are accurate and consistent.

2. What are the three types of reamers?

The three types of reamers are:

  1. Solid Reamer: Made from a single piece of material (usually high-speed steel or carbide), solid reamers are used for general precision hole finishing. They offer durability and high precision but are best suited for softer materials.

  2. Carbide-Tipped Reamer: These reamers feature carbide tips brazed onto the cutting edges, providing enhanced hardness and wear resistance. They are ideal for machining harder materials, such as steel, and offer longer tool life and superior cutting performance.

  3. Inserted Blade Reamers: Inserted blade reamers use replaceable carbide or other hard material inserts for cutting. These reamers are designed for high-volume or heavy-duty operations, as the inserts can be replaced when worn out, extending tool life and reducing downtime.

3. Can you use a drill bit instead of a reamer?

While a drill bit can be used to create a hole, it is not designed to achieve the high level of precision that a reamer provides. A drill bit will leave a rougher surface and may not achieve the tight tolerances that a reamer can. For precise hole finishing, a reamer is preferred.

 
 

DOWNLORD

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