Amada MH-21AC User manual

Y03M0830E-05
OPERATION MANUAL
WELDING HEAD
MH-21AC/31AC

MH-21AC/31AC
1
Thank you for purchasing our Welding Head MH-21AC/31AC.
・This operation manual explains its method of operation and precautions for use.
・Before using, read this operation manual carefully; after reading, save it in a proper
place where you can easily access.
Contents
1. For Correct Use·································· 1-1 to 4
2. Introduction ······································· 2-1
3. Specifications and Accessories ··········· 3-1 to 3
4. Name and Functions of Each Section ··· 4-1 to 3
5. Installation and Connection················· 5-1 to 4
6. Use Maintenance································ 6-1 to 3
7. Installation of Optional Units ··············· 7-1 to 6
8. Outline Drawing ································· 8-1 to 2
This operation manual is common to both the MH-21AC
and MH-31AC. The MH-21AC is used in the explanatory
drawings.

3-2
Optional Arms
Name MH-21AC MH-31AC
Arm for φ2 of
electrode diameter
PC1173765
(1173765) -
Arm for φ3 of
electrode diameter
PC1173766
(1173766)
PC1176660
(1176660)
Arm for φ4 of
electrode diameter
Z-01427-001
(1168665)
PC1176661
(1176661)
Arm for φ5 of
electrode diameter
PC1173767
(1173767)
PC1176662
(1176662)
Arm for φ6 of
electrode diameter - PC1176663 (1176663)
Arm for φ8 of
electrode diameter
Z-01427-002
(1036898) -
･Common to upper and lower arms. Two pieces are required when using the upper
and lower sides.
･The electrode fixing screw is not attached to above optional parts.

3-3

5-3
Hole drilling for installation of head
MH-21AC
(Unit: mm)

5-4
Hole drilling for installation of head
MH-31AC
(Unit: mm)