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How to Tap Small Holes with the FlexArm

Tapping small holes can be a challenge. You are guaranteed to break taps whether you tap by hand, with a cordless drill, or in a CNC machine. However, the FlexArm makes tapping easy, and is the best tool when it comes to small hole tapping.
 
To demonstrate the capability of the FlexArm we chose to use 3 different tap sizes (listed below) and tested each size in mild steel, stainless steel, and aluminum using the A-32 Pneumatic Tapping Arm. 
 
OSG Taps
6-32 UNC H2 3S/P PLUG A BRAND A-TAP
OSG logo
Watch the demo below and see how easy it is to tap small holes using the FlexArm

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Standard Features

  • Hand Pendant
  • 22″ Touch Screen Monitor
  • Omron FlexCNC Controller
  • Mobile Control Panel
  • Through Spindle Coolant 
  • Auto Tool Changer 
  • Flood Coolant
HP
Max RPM
FT/LBS
Series

18

4000

92

C-20-02 / C-10-02

18

6000

61

C-20-02 / C-10-02

33

12000

61

CM-20-02

Auto Stand-Off – This is currently defined to be surface stand-off and not to be confused with vector stand-off in 5-axis mode. The current auto stand-off is based on a changing surface and will adjust vertically based on the angle of the “A” Axis, so there is five (5) axis taken into account during the calculations, but this is not the same as the tool vector stand-off. There is the ability to do the vector stand-off change while the machine is running manually with buttons on the screen.

Z-Reader Probe – The Z-Reader is a device for mapping the location of the surface. It can be controlled manually & programmatically. The option is NOT active while cutting & is retracted out of harm’s way. It can be triggered to verify the surface at every pierce before the cutting process starts, or it could be used to drive surface mapping of the whole part before cutting starts. It begins with initialization or zeroing of the device to the surface at the beginning of a program and then accumulates or tracks the difference from that zeroing effort.

Automatic Edge Finder – The edge finder is or can be utilized manually (Jogging Method & Screen Buttons), programmatically (M & G codes), or fully automatic routine (dedicated program). This option sets offsets & program rotation to match the orientation & location on the cutting table.

AC Unit Installed on Electrical Cabinet – The unit is mounted on the cabinet’s High Power (480v) side. It is close to the location where the drives are mounted. This option keeps the cabinet temperature stable and allows heat dissipation faster. The servo drives for all axes are the most significant contributors to heat inside the electrical cabinet.

5-Axis Renishaw Calibration – The calibration unit is a Renishaw model APCA45 with a modified spherical stylus. The device has a retractable cover and air purge to clear debris & dust during the activation process. It mounts to a swing arm controlled by a pneumatic rotary, so it is out of the way during regular operation and swings into the calibration position for calibration only. 

HP
Max RPM
FT/LBS
Series

18

4000

92

G-20-06 / G-10-06

18

6000

61

G-20-06 / -10-06

40

4000

217

GM-20-06 / G-20-06 / G-10-06

40

6000

145

G-20-06 / G-20-06 / G-10-06