Tool Magazines And Tool Change Equipments; Tool Change Times; Cut-To-Cut Time - Siemens SINUMERIK 840D sl Function Manual

W3: Tool change

17.2 Tool magazines and tool change equipments

17.2 Tool magazines and tool change equipments
17.2
Tool magazines and tool changing equipment are selected according to the machine type:
Machine type
Turning machines Turret
Milling machines
As the changing operation interrupts the machining, idle times times must be minimized.
17.3

Tool change times

17.3
Tool change times depend strongly on the design layout of the machine tool.
Typical tool change times
0.1 to 0.2 s
0.3 to 2 s
17.4

Cut-to-cut time

17.4
The cut-to-cut time is the period that elapses when a tool is changed between retraction from
the interruption point on the contour (from cut) and repositioning at the interruption point
(return to cut) with the new tool when the spindle is rotating.
Typical cut-to-cut times are as follows:
Typical cut-to-cut times
0.3 to 1 s
0.5 to 5 s
968
Tool magazine
(disk, flat, inclined)
Magazines
(chain, disk-type, rotary-plate, cartridge)
for advancing a turret
for tool change with gripper for a prepared tool
for turning machine with turret
for milling machine with automatic tool changer
Tool change equipment
No special tool change equipment.
The tool is changed by turning the
turret
Gripper/dual gripper as tool change
equipment.
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
Extended Functions