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Eliminating Steps: Drilled Deburred & Back Chamfered with ONE EZ Burr Tool

8/12/2020

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The Challenge 
The challenge was to achieve both hard and soft cost savings, as well as time spent on drilling flanges from one side, chamfering the backside and creating a controlled chamfer on the top surface which was a secondary process.
EZ Burr DRILLED DEBURRED & BACK CHAMFERED WITH ONE EZ BURR TOOL.jpg
Drill, Deburred & Back Chamfer EZ Burr Tool being used in a Wheel Hub Extender
Application
Hub Extender

Material
Cast Iron

Tool
Burr-Free Drill
The Solution
We designed an indexable drill with our rear cutting carbide deburring insert along with a fixed pocket chamfer insert to create the precision top chamfer that was required. The spade drill insert also had a special feature that allowed it to chamfer the top side of the bottom hole that was pre-drilled.

The Results
​Four operations were completed in one pass.

The EZ Burr Burr-Free Drill drilled the hole, deburred and chamfered the back all in one step, thus eliminating the secondary step of chamfering the bottom surface on the top hole.

This saved time as well as money, plus the tool life of the Burr-Free Drill achieved a more consistent result and had a longer tool life than the previous method.
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NEW Grooving System for Swiss-Type Lathes and Cramped Spaces

1/16/2019

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Picture
HORN USA is proud to present the new 32T system for grooving and parting off on Swiss-type lathes and smaller fixed-head lathes. With a precision-sintered grooving insert and central clamping screw, the tool system offers high changeover accuracy for the cutting insert and direct entry into the insert seat of the tool carrier.

Additionally, there is no need for clamping elements, which may have a detrimental effect on chip flow. The screw head of the clamping bolt does not introduce interfering contours and therefore permits both grooving on a collar and parting off directly at the spindle.

The grooving insert can be used as a neutral insert, and as both a left-hand and a right-hand insert.

The 32T system completes HORN USA's portfolio of triple-edge cutting inserts by offering a solution for smaller-scale applications. By adding the new system to its range, the tool manufacturer is responding to customer requests for a triple-edge cutting insert system for Swiss-type lathes and other smaller turning machines, in particular in applications where space is at a premium.


The precision-sintered 32T insert is secured to the holder with a central screw, removing the need for additional exterior clamping components that negatively affect chip flow.  Available in 2 and 2.5 mm (.079 and .098") widths with maximum depth of groove up to 4 mm (.157"). For grooving operations, the inserts are available with both straight and full-radius cutting edges.

HORN USA offers the indexable insert with a 15-degree chamfer for parting off. A cylindrically ground chip-breaker geometry makes for reliable chip removal.

The tool carrier is designed as a square shank measuring 10 x 10 mm or 12 x 12 mm. Both versions feature an internal coolant supply and are available in both left-hand and right-hand designs.

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  • Home
  • About
  • Principals
    • Allen Benjamin
    • Blue Photon
    • Dorian Tool
    • GMN Spindles
    • Hannibal Carbide
    • Heritage Cutter >
      • Brubaker
      • Data Flute
      • Decatur Diamond
      • Weldon
    • Horn USA
    • North American Tool
    • Techniks Group >
      • Techniks
      • Parlec Inc.
  • News
  • Contact
    • Promotions