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CrazyMill Chamfer

CrazyMill Chamfer
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CrazyMill Chamfer

Product catalog summary
Overview: The document outlines the specifications and guidelines for Mikron NRG 50 deburring and chamfering tools, emphasizing smooth finishing operations. It details various tool types, their features, applications, and recommended machining parameters.
Tool Specifications:
  • CrazyMill Frontchamfer: Designed for small workpieces (1-6 mm diameter), featuring 4-6 teeth and a 90° chamfer, made from durable carbide alloy.
  • CrazyMill Backchamfer: Suitable for back side chamfering without re-clamping, for holes as small as 0.4 mm, available in diameters from 0.36 to 5.7 mm.
  • CrazyMill Doublechamfer: Enables front and back side chamfering with one tool, suitable for diameters from 0.9 to 5.7 mm, with 45° or 90° chamfers.
  • Universal Radius Chamfer Tool: Offers a 300° cutting area for versatile applications.
Machining Guidelines:
  • Conventional milling is recommended to avoid secondary burrs.
  • Two milling passages are ideal for burr-free edges and good surface quality.
  • For small diameters, use CrazyDrill Pilot and CrazyDrill for precise drilling.
  • Optimize cutting parameters based on machine conditions, spindle, and coolant.
Applications: Suitable for materials like carbon steel, tool steels, stainless steel, cast iron, aluminum alloys, copper, titanium, and precious metals, used in industries such as automotive, medical engineering, pneumatics, appliances, and watchmaking.
Customization: Special executions are available for different lengths, dimensions, number of teeth, or chamfer angles, especially for machining hardened steel over 56 HRC.
Engineering and Consulting Services: Mikron Tool offers advisory services for tool selection and machining process optimization.
Tool Selection and Customization: Comprehensive service for selecting suitable tools based on material, geometry, tolerances, and operating parameters, supporting clients from trials to mass production.
Star-Service: Offers high-performance tools in non-standard dimensions for tailored solutions.
Packaging: Tools are packaged for optimal protection and safe handling.
Recycling: Mikron Tool recycles worn tools, supporting environmental commitments.
Certifications: Holds certifications for quality (ISO 9001:2008), environment (ISO 14001:2004), and occupational health and safety (OHSAS 18001:2007).
Product Offerings:
  • MiquDrill: Ideal for small to medium batch production, ensuring quality and reliability.
  • Special Tools: Customized solutions for precision part machining.
  • CrazyDrill: Designed for high-volume production and challenging materials, offering superior cutting speeds and feeds.
Contact Information: Headquarters and production in Switzerland, with facilities in Germany and sales offices in North and South America.
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Catalog excerpts

CrazyMill Chamfer-1

for smooth finishing operations

 Open the catalog to page 1
CrazyMill Chamfer-2

Chamfering in smallest dimensions The features: CrazyMill Frontchamfer matches ideally the existing cutting tool program of Mikron Tool. Available from diameter 1 mm, this chamfer milling cutter is suitable for machining smallest workpieces and can reach practically all angles and corners. The high number of teeth – 4 to 6 depending on diameter – allows high feeds. The positive cutting geometry guarantees an excellent surface quality. Carbide alloy All tools are coated Diameters from 1 to 6 mm Chamfer of 90° 4 to 6 teeth Suitable for all materials Item number Upon request: • special executions...

 Open the catalog to page 2
CrazyMill Chamfer-3

Guidelines for cutting parameters Cutting speed vc m/min Feed fz in mm/revolution per tooth Carbon Steel low-alloy Tool Steels low-alloy Carbon Steel high-alloy Stainless Steel ferritique Stainless Steel austenitique Titanium and Titanium alloy Cast iron Copper easy to machine Copper hard to machine Aluminum Alloys wrought, Magnesium alloys Aluminum alloys cast Gold Silver These values are intended to represent approximate ranges. Different conditions due to machine, spindle, coolant, etc. can influence the performance. The optimized parameters for each operation should be determined by tests...

 Open the catalog to page 3
CrazyMill Chamfer-4

Back chamfering without re-clamping The features: With CrazyMill Backchamfer no work piece turnover and re-clamping is necessary to machine hard-to-reach holes or edges on the back side of a work-piece. This chamfer mill allows miniature machining, starting from holes or slots as small as 0.4 mm. The high number of teeth guarantees an excellent surface quality. Main applications for this new milling cutter are found where small machining operations with very high quality are required, such as med-tech parts, watch industry, automotive, etc. CrazyMill Backchamfer can be used for all metals and...

 Open the catalog to page 4
CrazyMill Chamfer-5

Guidelines for cutting parameters Cutting speed Feed fz in mm/revolution per tooth vc m/min Carbon Steel low-alloy Tool Steels low-alloy Carbon Steel high-alloy Stainless Steel ferritique Stainless Steel austenitique Titanium and Titanium alloy Cast iron Copper easy to machine Copper hard to machine Aluminum Alloys wrought, Magnesium alloys Aluminum alloys cast Gold Silver These values are intended to represent approximate ranges. Different conditions due to machine, spindle, coolant, etc. can influence the performance. The optimized parameters for each operation should be determined by tests...

 Open the catalog to page 5
CrazyMill Chamfer-6

One clamping for front and back side chamfering The features: With a single tool front and back side chamfering of edges and hard-to-reach spots: CrazyMill Doublechamfer allows it also in a smallest diameter range - for diameters from Ø 1 mm. The high number of teeth guarantees an excellent surface quality. Main applications for this new milling cutter are found where small machining operations with very high quality are required, such as med-tech parts, watch industry, automotive, etc. Carbide alloy All tools are coated Diameters from 0.9 to 5.7 mm Chamfer of 45° resp. 90° 4 to 6 teeth Suitable...

 Open the catalog to page 6
CrazyMill Chamfer-7

Guidelines for cutting parameters Cutting speed Feed fz in mm/revolution per tooth vc m/min Carbon Steel low-alloy Tool Steels low-alloy Carbon Steel high-alloy Stainless Steel ferritique Stainless Steel austenitique Titanium and Titanium alloy Cast iron Copper easy to machine Copper hard to machine Aluminum Alloys wrought, Magnesium alloys Aluminum alloys cast Gold Silver These values are intended to represent approximate ranges. Different conditions due to machine, spindle, coolant, etc. can influence the performance. The optimized parameters for each operation should be determined by tests...

 Open the catalog to page 7
CrazyMill Chamfer-8

For highest requirements: all in one tool The features: This universal radius chamfer tool has a big cutting area of 300°. Thus it is ideal for front and backside deburring as well as for all kind of inside and outside contours, intersections of drillings and millings. Due to its specific positive cutting geometry it also removes tenacious and ductile burrs and avoids the forming of new, secondary burrs. The extra long execution also permits machining on hard-to-reach spots (inclined hole exits etc.). Item number Usable cutting range 300° For front and backside deburring Specific positive cutting...

 Open the catalog to page 8
CrazyMill Chamfer-9

Guidelines for cutting parameters Cutting speed Feed fz in mm/revolution per tooth vc m/min Carbon Steel low-alloy Tool Steels low-alloy Carbon Steel high-alloy Stainless Steel ferritique Stainless Steel austenitique Titanium and Titanium alloy Cast iron Copper easy to machine Copper hard to machine Aluminum Alloys wrought, Magnesium alloys Aluminum alloys cast Gold Silver These values are intended to represent approximate ranges. Different conditions due to machine, spindle, coolant, etc. can influence the performance. The optimized parameters for each operation should be determined by tests...

 Open the catalog to page 9
CrazyMill Chamfer-10

Flexibility with CrazyMill: the universal deburring tool For difficult machining operations, tenacious burrs or hard-to-reach points. Often the individual solution is the most economical one, as it is matched ideally with the work piece and the material to be machined. Mikron Tool develops and manufactures special executions of milling tools for any application. Examples: front and backside chamfering chamfer 90° tool diameter 2 mm reachable depth 10 mm 4 teeth front and backside chamfering chamfer 90° tool diameter 1.8 mm reachable depth 4 mm 3 teeth simultaneous front chamfering and back side...

 Open the catalog to page 10
CrazyMill Chamfer-11

Unlimited possibilities for specific applications The CrazyMill chamfer and deburring tools can be used for various applications and for all materials. Special executions guarantee an optimal solution for every machining operation. Examples: Automotive low-alloy steel 16MnCr5 CrazyMill Radiuschamfer Ø 1.5 mm Automotive low-alloy steel 18CrNi18 Special chamfer tool for grooves and backside Ø 1 mm Automotive Aluminum Quadruple chamfer milling cutter Ø 8mm Medical Engineering Stainless Steel CrazyMill Radiuschamfer Ø 3 mm Pneumatic Aluminum Multi chamfering milling cutter Ø 8 mm Watch Industry Stainless...

 Open the catalog to page 11

All Mikron Group catalogs and technical brochures

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  2. Mikron NRG-50

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  3. Mikron MultiX

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  4. Mikron miTool

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  5. Mikron G05

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  6. Mikron Company

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  7. Lock Industry

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  8. Eyeglasses

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  9. Watches

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  10. CrazyMill Cool

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  11. Mikron ATW-10

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  12. Multistar LX

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  13. CrazyDrill Flex

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  14. Mikron NAM

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.