YASKAWA SIGMA 5 User Manual

1 Introduction
1.2 Overview
1-2
163475-1CD
163475-1CD
MHTH Postioner
SIGMA V
1.2.2 MHTH-605
The MHTH-605 has load capacity of 605 kg at 152 mm from the center of
r
otation. Weld ground capacity is rated at 800 amps, with options to
increase ground capacity to either 1,200 or 1,600 amps. The MHTH-605
indexes 180 degrees in 2.1 seconds.
1.2.3 MHTH-905
The MHTH-905 has load capacity of 905 kg at 152 mm from the center of
r
otation. Weld ground capacity is rated at 800 amps, with options to
increase ground capacity to either 1,200 or 1,600 amps. The MHTH-905
indexes 180 degrees in 2.9 seconds.
Fig. 1-1: Layout
Headstock assembly with external axis kits include:
• Servo amplifier with mounting hardware
• 7-meter cables
• Appropriate MHTH drive assembly
• External axis daughter board
• Cooling fan
• Power harnesses and terminal strip
The external axis kit mounts inside the controller. The controller has
provisions for three external axis kits.
The MHTH headstock is designed to be mounted with the faceplate
at
the top. Custom pinion covers are used for this application. The
tabletop drive module is designed to mount flat or in the same
orientation as the headstock positioner.
NOTE
Neither the motomount or tailstock column assembly is
available for the MHTH headstock at this time.
HEADSTOCK ASSEMBLY
FACEPLATE
MHTH DRIVE MODULE
W/ HEADSTOCK ASSEMBLY
MHTH DRIVE MODULE
9/28

YASKAWA SIGMA 5 Specifications

General

Type	Servo Amplifier
Rated Output Power	50 W to 15 kW
Humidity	90% RH or less (non-condensing)
Communication Interface	MECHATROLINK-II, MECHATROLINK-III, EtherCAT
Feedback	Incremental Encoder, Absolute Encoder
Series	SIGMA-5
Feedback Resolution	20-bit
Protection Functions	Overvoltage, Overcurrent, Overload
Ambient Temperature	0°C to 40°C (32°F to 104°F)
Storage Temperature	-20 to 85°C
Vibration Resistance	5.9 m/s² (0.6G)