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HOLE MAKING
NPA 39/2020


Gundrills and Deep Drilling Heads Carrying Inserts with 3 Chip Splitting Cutting Edges in New Diameter Range Ø28.01- 40.00 mm


TRIDEEP

Highlights
ISCAR and UNITAC are expanding the upper diameter range of the GD-DH gundrills and deep drilling heads family by adding drills in the diameter range of 28.01 to 40.00 mm, carrying new TOGT 130408 and TOGT 140510 inserts featuring 3 chip splitting cutting edges.


GD-DH
Gundrills for machining centers and gundrill machines carrying TOGT inserts are now available in new diameter range of 28.01 to 32 mm, in 10 and 20 drilling length to diameter ratios.

DSD-EF/IF-FT
Deep single tube drills with external 4 start / internal single thread connection carrying TOGT inserts are now available in the new diameter range of 28.01 to 40 mm. Each item in the attached catalog page represents a diameter range. For a specific head diameter, an order form should be filled out.

Based on the expansion of the exist gundrills and deep drilling heads, ISCAR/UNITAC is introducing the following new insert size:
TOGT 130408 and TOGT 140510
The new TOGT inserts feature 3 chip splitting cutting edges, a positive rake chipbreaker and a wiper for high hole surface quality. The inserts are available in 8 sizes, made from IC908 a versatile PVD coated grade. Available with “DT” and “GF” type chipbreaker.

Advantages
  • Deep drills with a 3 cutting edged insert (other manufacturers only offer inserts with 1 or 2 cutting edges)
  • Peripherally ground highly accurate insert, providing high hole diameter accuracy of IT10
  • Produces narrow chips for efficient chip evacuation, enabling higher feed rates compared to other drills available in the market
  • A wiper on the insert provides extra fine surface finish.
  • Direct insert mounting - no adjustment needed to achieve accurate hole diameter.



Main Potential Industries for Deep Drills

Oil and Gas
Heavy Industries
Engineering
Die Mold
Shipbuilding
Automotive
Power Generation
Heat Exchangers


TEST REPORTS
Machine: Gundrill Machine
Material: INCONEL 718, 48-52 HRC
Coolant: Internal

  TRIDEEP Competitor
Body DSD-EF 31.75-FTIndexable gundrill
Insert TOGT 130408-DT IC908 Indexable insert
Guide pad GPS-07-20-120 IC908 Indexable guide pad
Cutting speed Vc (m/min) 24.3 19.74
Feed f (mm/rev) 0.127 0.127
Feed speed Vf (mm/min) 31 25
Holder diameter ØDc (mm) 31.75 31.75
Holder depth H (mm) 1578 1578
Coolant Oil Oil



  TRIDEEP Competitor
Body DSD-EF 35.00-FTIndexable drill
Insert TOGT 140510-DT IC908 Indexable insert
Guide pad GPS-07-20-120 IC908 Indexable guide pad
Cutting speed Vc (m/min) 24 20
Feed f (mm/rev) 0.127 0.127
Feed speed Vf (mm/min) 28.19 22.96
Holder diameter ØDc (mm) 35.00 35.00
Holder depth H (mm) 1720 1720
Coolant Oil Oil



Competitor
Productivity
1.2 times
Feed speed (mm/min)


- High productivity: TRIDEEP increases productivity by 20% over the current competitor’s gundrill
- Easy inventory management: No need for regrinding



GD-DH
Gundrill Gundrills Carrying Triangular Inserts with 3 Chip Splitting Cutting Edges and a Wiper for High Hole Surface Quality
• Note: Gundrills can be supplied with up to 2400 mm length on request.
• Inserts and guide pads should be ordered separately (they are not included with the tools)
• Preventative measures:
• Do NOT operate the deep hole drill at full speed before engaging the guide hole.
• Enter the guide hole slowly at a speed of 50 - 100 rpm.
(1) Master insert identification


Universal Marking for Deep Drilling Tools
******* [Lot no.]




DSD-EF-FT
Deep Single Tube Drills with External 4 Start Thread Connection Carrying Triangular Inserts (16-40 dia.)
• Note: Each item in the attached catalog page represents a diameter range
• Inserts and guide pads should be ordered separately
• Ordering example: DSD-EF 29.00-FT
(1) Cutting diameter minimum
(2) Cutting diameter maximum (3) Tube designation


DSD-IF-FT
Deep Single Tube Drills with Internal Single Start Thread Carrying Triangular Inserts (16-32 dia.)
• Note: Each item in the attached catalog page represents a diameter range
• Inserts and guide pads should be ordered separately
• Ordering example: DSD-EF 29.00-FT
(1) Cutting diameter minimum
(2) Cutting diameter maximum (3) Tube designation

Universal Marking for Deep Drilling Tools
D- Tool diameter
Metric- D16.00
Inch- D.630

d- Pilot diameter
Metric- d12.6
Inch- d.496

Tool style
F- Fixed pocket 3-5 cutting edges
G- Fixed pocket single cutting edge

Thread type
4ST- Four start thread single tube
1ST- Single start thread single tube
4DT- Four start thread double tube

16- Tube diameter
Thread type






TOGT-DT
Deep Drilling Inserts with 3 Chip Splitting Cutting Edges, Positive Rake Chipbreaker and a Wiper



GPS
Deep Drilling Solid Carbide Guide Pads



Universal Marking for Deep Drilling Tools
Marketing
[Lot No.]
Guide
Pads





The NPA39 -2020's pdf file: View (PDF) or Download (ZIP)
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