Horizontal Soft Type Balancing MachineSGF/STF Series (2-Plane)

※You can choose a measurement device between GII type (mouse operation type) and TII type (touch screen type).

Ideal for precisely measuring two-plane unbalances in small workpieces.

Shimadzu SGF/STF series dynamic balancing machines offer outstanding precision, reliability and ease of use. They are used widely on production lines to balance small rotating parts. This high performance series offers a level higher sensitivity than the SGB series, allowing highly precise balancing in two planes and making them ideal for ultra-precision high-speed rotating workpieces.

Features

  • High-sensitivity designed for small workpieces.
  • Capable of balancing workpieces from 0.01 kg to 100 kg
    (series includes six models for different weight requirements).
  • Sensitivity is calibrated using actual workpieces, resulting in extremely small error levels at full-scale and highly precise plane separation.
  • Moving coil pickups ensure high signal-to-noise ratios.

Specifications

Model SGF/STF-03NEII SGF/STF-1NEII SGF/STF-3NEII
Workpiece Weight (kg) 0.01 to 0.3 0.01 to 1 0.03 to 3
Max. Workpiece Diameter (mm) 60 200 200
Max. Diameter for Belt Drive (mm) 40 150 150
Span Across Bearings (mm) 50 to 450 50 to 450 50 to 450
Workpiece Shaft Diameter (mm) (1) 1.5 to 8 5 to 15 5 to 25
Drive motor (w) 200 (variable speed) 200 (variable speed) 200 (variable speed)
Bearing type (1) V bearing, one set Roller bearing, one set
Min. Achievable Eccentric Distance(μm) (2) 0.05 (mass eccentricity for a workpiece of max. weight)
Min. Achievable Unbalance
on One-Plane (g・mm)
0.002 0.005 0.02
Testing Speed (rpm) (3) 700 to 3600 (depending on outer diameter of workpiece)
Belt drive system (4) Upward-tangential drive
Size (W×D×H mm) 830×900×1500
Weight (kg) 300
Power supply Single-phase 200V 15A 3KVA

 

Model SGF/STF-10NEII SGF/STF-30NEII SGF/STF-100NEII
Workpiece Weight (kg) 0.1 to 10 0.3 to 30 1 to 100
Max. Workpiece Diameter (mm) 300 700 700
Max. Diameter for Belt Drive (mm) 150 200 200
Span Across Bearings (mm) 50 to 450 100 to 820 100 to 820
Workpiece Shaft Diameter (mm) (1) 5 to 25 10 to 50 10 to 80
Drive motor (w) 200(variable speed) 750(variable speed) 750(variable speed)
Bearing type (1) Roller bearing, one set
Min. Achievable Eccentric Distance(μm) (2) 0.05 (mass eccentricity for a workpiece of max. weight)
Min. Achievable Unbalance
on One-Plane (g・mm)
0.05 0.3 0.3
Testing Speed (rpm) (3) 700 to 3600 (depending on outer diameter of workpiece)
Belt drive system (4) Upward-tangential drive
Size (W×D×H mm) 830×900×1500 1000×700×1100
Weight (kg) 300 800
Power supply Single-phase 200V 15A 3KVA 3-phase 200V 30A 10KVA

Typical Applications

Turbochargers, AC servo motors, high-speed spindles, gyroscopes, blower/sirocco fans, automotive parts, and rotating parts in general

  1. Standard machines include one standard bearing. Cost estimates for special bearings are available on request.
  2. The minimal achievable residual unbalance will vary with the workpiece weight and the test speed. Refer to the attached sensitivity diagram for details.
  3. Depending on the form and weight of the workpiece, the test speed may be increased beyond the specified range.
  4. Drive systems other than upward-tangential drive systems are available on request.

Note: Specifications and appearance are subject to change without notice.

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