SUHNER ROTOstar - Setting Operating Speed; Connecting Flexible Shaft; Connecting SAK Safety Clutch; Connecting Toolholders

5
• EnsurethatthedesiredspeedA4 is permissible for the tool and
toolholder used.
1. Remove retention pin A2.
2. Turn excenter A5 clockwise until it reaches the limit stop. Re-
lease retention pin A2. All speeds must be visible in this position.
3. Move excenter A5 axially until the correct.
4.
Operating speed A4 is positioned in front of the speed
indicator A3.
5. Turn excenter A5 all the way to the left.
6. Retention pin A2 must click audibly into place.
7. Ensure that the correct operating speed is positioned directly
and centrally in front of the speed indicator A3. If the retention
pin does not click into place, or the selected speed is not dis-
played in the center, the procedure must be repeated from Step
1 .
• Attention:Incasethemachineisoperatedinonegearposition
only - one must at least once a week switch through all positions
for a brief period in order to redistribute the grease for long gear
service life. (run without flex.Shaft and handpiece)
3.2 Connect the flexible shaft to the motor see Figs. A + B
1. Insert pin in retention hole.
2. Slightly withdraw threaded coupling B1 from casing coupler B2.
3. Insert second pin through transverse hole in threaded coupling
B1 and
4. Fasten tightly onto the motor shaft A6.
5. Remove pins.
6. Insert casing coupler B2 completely into excenter hole A5.
7. Depress spring-loaded pin B3 and completely insert casing
coupler B2.
8. Spring-loaded pin B3 must click audibly into place in the retenti-
on hole. Ensure that spring-loaded pin B3 has locked firmly into
place. If necessary, move/rotate casing coupler B2 until spring-
loaded pin B3 clicks into place.
3.3 Connect the SAK safety clutch (accessory) see Fig. C
Machine elements
C1 Retention hole C3 Locking pin C5 Driving pin
C2 Safety lever C4 Spring-loaded pin
Use the Type SAK G28 safety clutch to protect operator from
accidental start-up.
1. Insert casing coupler B8 into tool connection.
2. Depress spring-loaded pin B7 and completely insert casing
coupler B8.
3. Spring-loaded pin B7 must click audibly into place in retention
hole C1. Ensure that spring-loaded pin B7 has locked firmly into
place. If necessary, move/rotate casing coupler B8 until spring-
loaded pin B7 clicks into place.
3.4 Connect toolholders see Fig. C
The connection of toolholders corresponds to the procedure de-
scribed in Item 3.3.
Note: Toolholders WI10, BSG10 and FSM can be rotated on the
casing coupler for easier handling.
3.5 Start-up with SAK safety clutch (deadman switch)
See Fig. D
Only with machine in OFF position !
1. Depress locking pin C3.
2. Completely depress safety lever C2. If necessary, move to star-
ting position by turning the working spindle D1 and repeatedly
depressing safety lever C2.
• Attention:Thepowerfullmachinedevelopsaheavytorquewhen
switched-on. Thus secure yourself in a rigid position and hold
on to the handpiece.
•SwitchondrivemotorA1 (Motor starts softly.)
•SwitchoffbyreleasingleverC2. Torque transmission to the
toolholder is interrupted. Locking pin C3 protects from automatic
start-up.
•SwitchmachineoffinordertoreturnsafetyleverC2 to starting
position.
4.0 Accessories
Toolholder maintenance: General
•Seerespectivesparepartslistforwearparts.
•Cleanoffgrindingdustdaily.
•Donotimmerseinliquid.
•Bearingsaregreasedforlife.
•Changegeargreaseevery12months.(YourSUHNERService
Centre can perform this work quickly and efficiently.)
Change of tools / abrasives: General
• Unplugpowersupplybeforeeachtoolchange.
• Cleanclampfittingbeforemounting.
• Ensureflawlessrunoutandonlyuselow-vibrationtools.Itis
essential that you take note of the permissible speed in this
context.
4.1 FH 10 Straight toolholder see Fig. E
Tool connection Type: G28 = ø 28 mm
Collets up to ø 8 mm see catalogue
Weight 0.55 kg
Permissible operating speed up to 15,000 RPM
For flexible shaft Type: NA 10 DIN 10 / G28
Machine elements
1 Collet 2 Clamping nut 3 Wrench 18 mm (x2)
Suitable Tools
4 Burs, specialty abrasives, materials conditioning products
5 Mounted points, Attention: always observe mounting
instructions.
4.2 WI 10 Right angle toolholder see Fig. F
Tool connection Type: G28 = ø 28 mm
Collets up to ø 8 mm see catalogue
Weight 0.55 kg
Permissible operating speed up to 15,000 RPM
For flexible shaft Type: NA 10 DIN 10 / G28
Machine elements:
7 Allen wrench 5 mm
1 Right angle gear head 8
Mounted points
2 Spindle 9 Burs, specialty abrasives
3 Safety guard 10 Disc Pd holders
4 Washer 11 Collet
5 Grinding / cutting wheels 12 Wrench 11 mm
6 Clamping bolt 13 Wrench 17 mm
Suitable Tools
General: If possible always mount shank in collet 11 until it
bottoms out.
10 Disc Pd holders up to 3" dia. (ø75 mm)
9 Burs, specialty abrasives, materials conditioning products
8 Mounted points, Attention: always observe mounting
instructions.
5 Reinforced Grinding/Cutting wheels - with 10 mm bore up
to 3" x 1/4"
Tool change
• Holdspindle2 tight with wrench 13.
• Loosenortightencollet11 with wrench 12.
• Loosenortightenclampingbolt6 with allen wrench 7.
4.3 BSG 10 Belt grinding attachment see Fig. G
Type: BSG 10/35 BSG 10/50
Grinding belt W x L 35 x 450 50 x 450
Tool connection G28 = ø 28 mm
Weight 1.59 kg
Permissible operating speed up to 7,000 RPM
For flexible shaft NA 12 DIN 10 / G28
Machine elements
1 Safety guard 8 Washer
2 Box spanner 17 mm 9 Drive spindle
3 Grinding belt 10 Mounting pivot
4 Hexagon nut 11 Idler wheel end
5 Cover 12 Tracking bolt