Category

Gear Machines - Inspectors

Manufacturer

Taylor-Hobson

Model

Talyrond 250

Speed of Rotation

6 RPM nominal, clockwise

Height Above Worktable

1.5 µin + 0.8 µin/inch

Axial Error

0.1 µm (3.9 µin) Maximum axial movement of worktable during one revolution

Roundness Limit of Error

Departure from Least Squares Circle at 6 rpm with 0-50 UPR filter

Concentric Load

Within 0.04µm + 0.0003µm/mm

Straightness Limit of Error

Minimum Zone Straightness at 0.20”/sec (5mm/sec) with 0.30” (8.0mm) cut-off low pass filter 1.0 µm over 39 µin over 11.80” (300 mm) and 10 µin over 3.90” (0.25 µm over any 100 mm traverse length)

Measurement Capacity Maximum Diameter

11.80

in

300.00

mm

Maximum Weight

44.10

lbs

20.00

kg

Maximum Height

11.80

in

300.00

mm

Worktable & Spindle Worktable Diameter

7.48

in

190.00

mm

Vertical Straightness Module Measurement Length

11.80

in

300.00

mm

Gauge Standard Stylus Arm Length

3.94

in

100.00

mm

Motorized Radial Arm Traverse Length

5.90

in

150.00

mm

Nominal Range of Gage Movement with 100mm Stylus Arm

0.079

in

2.00

mm

Range of Centering

±0.03

in

±0.75

mm

Range of Leveling

±2.60

m rad

±8.60

arc minutes

Positional Control Uncertainty Per Single Move

±0.004

in

±100.00

µm

Additional

Includes table, motorised radial arm traverse length may be set for up to 1.97" (50.00 mm) of travel past the spindle axis

Condition

Excellent, needs software update