ABB IRB 6620 - Tip Dresser; Introduction

2 DressPack and SpotPack
2.8.1 Introduction
3HAC 025861-001 Rev.E 105
2.8 Tip Dresser
2.8.1 Introduction
General
The Tip Dresser is intended to restore the original shape of the welding electrodes
after deformation that occurs after a period of use.
The Tip Dresser is controlled by the robot controller. The unit is mounted onto the
base of the manipulator and is connected to the robot.
The Tip Dresser unit
The ABB Tip Dresser, which is integrated to the robot consists of the following
modules (see Figure 70).
Figure 70 The robot integrated Tip Dresser.
Pos Name Description
A Adjustable stand Vertical adjustment: 230 mm
Horizontal adjustment: 180 mm
B Z-Equalizer Z-directions movements: ± 8 mm
C Cutting unit
a
a. No cutting blades are supplied. For more details see Product Manual - DressPack/
SpotPack for IRB 6620, 3HAC027309-001.
Speed: 200 rpm
Rec. sharpening pressure: 1.0 - 1.5 kN in 1- 3 s
D Electrical motor Type: ABB 71B-2
Voltage and power: 380-420 V, 50 Hz and 0.55 kW
440-480 V, 60 Hz and 0.65 kW