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CrazyDrill Twicenter
one center drill, many applications

Aerospace
Medical
Mold making
Automotive
Watches
Food industry

 

Hydraulics-pneumatics

CrazyDrill Twicenter is a tungsten carbide centering drill with through tool cooling that exhibits a high degree of precision/process reliability, long tool  life and quick machining time when drilling  through metal, even in difficult to machine materiales such as stainless, acid-resistant and heat-resistant steels as well as CrCo alloys, titanium and titanium alloys. The possible application in general steels, casting, aluminum, copper, brass, bronze as well as tempered steels extend its operational capability. Consequently, the drill is used very successfully in many applications in the field of micro-precision such as the watch  and jewelry industry, medical technology, implants, automotive industry, food industry, tool and die making, mechanical engineering, pneumatics, dental technology, petrochemistry and the aviation industry.

Application examples for center drill CrazyDrill Twicenter

Aerospace industry

Material: Hastelloy X

Components:

  • Engine component, holes for lubricant (example: centering for hole Ø 1.9 mm (.075“) in Hastelloy X)

Medical technology

Material: various 

Components:

  • Camera housing for endoscope (example: centering for hole Ø 1.8 mm (.071“) with chamfer 45° in X46Cr13, AISI 420C, 1.4034)
  • Implant, bone plate (example: centering for hole Ø 2.0 mm (.079“) in Titanium Grade5)
  • Surgical plier (example: centering for hole Ø 2.0 mm (.079“) in Titanium Grade5)
         
         

Mold making

Material: various

Components:

  • Die forging mould, hole for air vent (example: centering Ø 0.8 mm (.031“) in hardened steel HRC 58 for following custom made CrazyDrill Flex tool)
  • Die forging mould, hole for air vent (example: centering Ø 1.2 mm (.0472“) in hardened steel HRC 60 for following custom made CrazyDrill Flex tool)

Automotive industry

Material: various 

Components:

  • Seat for seal needle (example: centering for hole Ø 1.7 mm (.067“) in Inconel 625)
  • Component to Common Rail Injector (example: Twicenter tool is used for centering, chamfering and deburring up to Ø 4.0 mm (.157“) on a forged blank made of 100Cr6, 1.3505)
  • Magnet core, (example: centering Ø 0.5 mm (.020“) and chamfering 60° for hole in 100Cr6, 1.3505)
         
         

Watches

Material: various

Components:

  • Watch housing, (example: centering for hole Ø 1.0 mm (.039“) in stainless steel X2CrNiMo17-12-2 / AISI 316L, 1.4404)
  • Watch crown, (example: centering for hole Ø 5.0 (.197“) in stainless steel X2CrNiMo17-12-2 / AISI 316L, 1.4404)

Food industry

Material: various 

Components:

  • Formplate for beverages, centering and chamfering (example: Ø 2.0 mm (.079“) and 60° chamfer  in AlMgSi1, 3.2315)

Hydraulics / Pneumatics

Material: various

Components:

  • Valve housing, centering for guide hole (example: Ø 1.5 mm (.059“) und 90° chamfer in Alu2011)
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