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Address: 1178 Zhaizishan Road, Huangdao District, Qingdao City, Shandong Province
Phone: +86-15063986252
Whatsapp: 8615063986252
Email: lucas@ruiliftools.cn
Drill Types for CNC Machining Centers: A Selection Overview
Release Time:
Jul 28,2024
Understand CNC drilling tool categories by cutting material, replaceable-component design and operation, then confirm the exact tool for the hole requirement.
News Summary
Drills used on CNC machining centers can be classified in several ways. Cutting material, tool construction and intended operation are separate characteristics. Mixing these categories can lead to an unsuitable purchase or an incorrect machining cycle.
Classification by Cutting Material
Common choices include high-speed steel and cemented carbide. The complete specification also includes the grade, coating and cutting geometry. Select a tool supported for the workpiece material and condition; there is no universal productivity multiplier that applies whenever HSS is replaced with carbide.
Classification by Construction
Solid drills, replaceable-head drills and indexable-insert drills have different maintenance and replacement arrangements. A solid drill has no separate user-replaceable cutting head. Replaceable-head and indexable designs require the correct body, cutting components and locking parts for the selected system.
Consider the supported diameter and depth range, machine connection and replacement procedure. Do not assume that parts from different families are interchangeable.
Classification by Operation
General drilling, spot drilling, center drilling and deep-hole drilling are different operations. A spot drill and a center drill should not be treated as interchangeable merely because both start a feature. Whether a pilot or spotting operation is needed depends on the drill design and application guidance.
Deep-hole tooling must be selected for the required depth relative to diameter and the equipment available. A long drill is not automatically suitable for every deep-hole process.
Check the Result Against the Drawing
Do not predict hole oversize using informal units or a generic rule based only on HSS versus carbide. The result depends on the tool, holder, machine, workpiece and process. Define the diameter tolerance, position and surface requirements, then verify them using an appropriate inspection method.
Conclusion
A useful enquiry identifies the operation, cutting material, tool construction and hole specification separately. For Ruilif modular tooling, provide the proposed component models or request a review using the modular drill system guide.
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Ruilif Tools (Qingdao) Co., Ltd.
Founded in 2011, Ruilif Tools (Qingdao) Co., Ltd. manufactures modular drill bodies, replaceable cutting heads and custom hole machining tools.
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