Transcript
Force
Multicomponent Dynamometer
Type 9255C
–10 ... 60 kN, Top Plate 260x260 mm Piezoelectric 3-component dynamometer for measuring the three orthogonal components of a force. The dynamometer has a great rigidity and consequently a high natural frequency. Its high resolution enables the smallest dynamic changes in large forces to be measured. • Wide measuring range • For heavy duty application • Compact design
9255C_003-051e-10.12
Description The dynamometer consists of four 3-component force sensors fitted under high preload between a baseplate and a top plate. Each sensor contains three pairs of quartz plates, one sensitive to pressure in the z direction and the other two responding to shear in the x and y directions respectively. The force components are measured practically without displacement. The outputs of the four built-in force sensors are connected inside the dynamometer in a way to allow multicomponent measurements of forces and moments to be performed. The eight output signals are available at the 9-conductor flange socket. The four sensors are mounted ground-insulated. Therefore ground loop problems are largely eliminated. The dynamometer is rustproof and protected against penetration of splashwater and cooling agents. Together with the connecting cable Type 1687B5/1689B5 and Type 1677A5/ 1679A5 it corresponds to the protection class IP67. Application Examples • Dynamic and quasistatic measurement of the three orthogonal components of a force • Cutting force measurements while milling and grinding on larger machines and in machining centers • Measurements on stamping machines • Measurements on wind tunnel models • Measurements of supporting forces at machinery foundations
Technical Data Range Fx, Fy Fz Calibrated range F x , Fy Fz Calibrated partial range F x , Fy Fz Overload Fx, Fy Fz Threshold Sensitivity Fx, Fy Fz Linearity, all ranges Hysteresis, all ranges Cross talk Fz –> Fx, Fy Fx <–> Fy Fx, Fy –> Fz Rigidity cx, cy cz Natural frequency fn (x) (mounted on flanges) fn (y) fn (z) Natural frequency fn (x) (mounted on flanges and fn (y) through top plate) fn (z) Operating temperature range Capacitance (of channel) Insulation resistance (20 °C) Ground insulation Protection class EN60529 Weight 1)
kN kN kN kN kN kN kN kN N pC/N pC/N %FSO %FSO % % % N/μm N/μm kHz
–30 ... 30 –10 ... 60 0 ... 30 0 ... 60 0 ... 3 0 ... 6 –36/36 –12/72 <0,01 ≈–7,9 ≈–3,9 ≤±0,5 ≤0,5 <±1 <±2 <±2 ≈2 000 ≈3 000 ≈2,2
kHz kHz kHz kHz kHz °C pF Ω Ω – kg
≈1,8 ≈2,3 ≈2,2 ≈2,2 ≈3,3 –20 ... 70 ≈500 >1013 >108 IP67 1) 52
With connecting cable Types 1687B5, 1689B5, 1677A5, 1679A5 Page 1/4
This information corresponds to the current state of knowledge. Kistler reserves the right to make technical changes. Liability for consequential damage resulting from the use of Kistler products is excluded.
©2012, Kistler Group, Eulachstrasse 22, 8408 Winterthur, Switzerland Tel. +41 52 224 11 11, Fax +41 52 224 14 14,
[email protected], www.kistler.com Kistler is a registered trademark of Kistler Holding AG.
Multicomponent Dynamometer – –10 ... 60 kN, Top Plate 260x260 mm, Type 9255C
Dimensions
Accessories for example cables Type 1679A... Type 1689B...
Fig. 1:
Accessories for example cables Type 1677A... Type 1687B...
Dimensions of dynamometer Type 9255B
3-Component Force Measurement Fx, Fy, Fz with 4-Channel Charge Amplifier Dynamometer Type 9255C
Cable
Type 1687B5
X Z
Charge Amplifier Type 5070Ax01xx
Y
pos.
pos.
pos.
Type 1688B5
pos.
neg.
neg.
pos.
pos.
Type 1689B5
9255C_003-051e-10.12
pos.
3 output signals from charge amplifier
pos.
pos.
Ch 8 –
– Σ 6
Ch 7 –
– Σ 5
pos.
pos.
Ch 6 –
– Σ 4
Ch 5 –
– Σ 3
Ch 4 off
– Σ 2
pos. Fig. 2:
Example of a measuring system with dynamometer Type 9255C
– Σ 1 GND 9
1
Ch 3 Fz Ch 2 Fy Ch 1 Fx
Page 2/4 This information corresponds to the current state of knowledge. Kistler reserves the right to make technical changes. Liability for consequential damage resulting from the use of Kistler products is excluded.
©2012, Kistler Group, Eulachstrasse 22, 8408 Winterthur, Switzerland Tel. +41 52 224 11 11, Fax +41 52 224 14 14,
[email protected], www.kistler.com Kistler is a registered trademark of Kistler Holding AG.
Multicomponent Dynamometer – –10 ... 60 kN, Top Plate 260x260 mm, Type 9255C
6-Component Force and Moment Measurement Fx, Fy, Fz, Mx, My, Mz with 8-Channel Charge Amplifier Dynamometer Type 9255C
Cable
Charge Amplifier Type 5070Ax11xx
Mx Fx
a
a
4
pos.
Fz Fy
3
Type 1677A5
1
Mz
2
pos.
My
neg.
pos.
Type 1679A5
neg. b
Type 1678A5/A10
pos.
b
8 output signals from charge amplifier pos.
pos.
Ch 8 Fz4
– Σ 6
pos.
Ch 7 Fz3
– Σ 5
Ch 6 Fz2
– Σ 4
Ch 5 Fz1
– Σ 3
Ch 4 Fy2+3
– Σ 2
Ch 3 Fy1+4 Ch 2 Fx3+4 Ch 1 Fx1+2
– Σ 1 GND Fig. 3:
Example of a measuring system with dynamometer Type 9255C
6-Component Force and Moment Measurement Fx, Fy, Fz, Mx, My, Mz with 8-Channel Charge Amplifier with 6-ComponentSumming Calculator Dynamometer Type 9255C
Cable
Charge Amplifier Type 5070Ax21xx
Mx Type 1677A5
Fx
a
a
4
Mz
Fz Fy
3
pos. 2
9255C_003-051e-10.12
pos.
pos.
pos.
b pos.
pos.
pos.
Fig. 4:
neg.
Type 1679A5
My neg.
b
Type 1678A5/A10
1
Example of a measuring system with dynamometer Type 9255C
8 output signals from charge amplifier 6 output signals from summing calculator
Ch 8 Fz4
Mz Σ 6
Ch 7 Fz3
My Σ 5
Ch 6 Fz2
Mx Σ 4
Ch 5 Fz1
Fz Σ 3
Values a,b for Type 9255C:
a mm
b mm
80
80
Ch 4 Fy2+3
Fy Σ 2 Fx Σ 1 GND 9
1
Ch 3 Fy1+4 Ch 2 Fx3+4 Ch 1 Fx1+2
Page 3/4 This information corresponds to the current state of knowledge. Kistler reserves the right to make technical changes. Liability for consequential damage resulting from the use of Kistler products is excluded.
©2012, Kistler Group, Eulachstrasse 22, 8408 Winterthur, Switzerland Tel. +41 52 224 11 11, Fax +41 52 224 14 14,
[email protected], www.kistler.com Kistler is a registered trademark of Kistler Holding AG.
Multicomponent Dynamometer – –10 ... 60 kN, Top Plate 260x260 mm, Type 9255C
Mounting The dynamometer may be mounted with screws or claws on any clean, face-ground supporting surface, such as the table of a machine tool for example. In order to provide a still better coupling of the measuring instrument with the mounting surface, the dynamometer can, if necessary, additionally be screwed down through the four bores in the top plate. This measure allows to reach a higher resonant frequency of the measuring system. Uneven supporting surface may set up internal stresses, which will impose severe additional loads on the individual measuring elements and may also increase cross talk. For mounting the force-introducing components, mainly workpieces, sixteen M12 mm blind tap holes in the cover plate are available. The supporting surfaces for the force-introducing parts must be face-ground to obtain good mechanical coupling to the cover plate.
Included Accessories • None
Signal Conditioning A multichannel charge amplifier is also needed to build a complete measuring system (i.e. Type 5070A...). The measurement signal is converted into an electrical voltage in the individual channels. The measured value is exactly proportional to the force acting.
Ordering Code • Multicomponent Dynamometer –10 ... 60 kN, top plate 260x260 mm
Optional Accessories For 3-Component Force Measurements Fx, Fy, Fz Type • Connecting cable, length l = 5 m 1687B5 (3 leads) 1689B5 • Extension cable, length l = 5 m 1688B5 (3 leads) For 6-Component Force and Moment Measurements Fx, Fy, Fz / Mx, My, Mz Type • Connecting cable, length l = 5 m 1677A5 (8 leads) 1679A5 • Extension cable, length l = 5 m 1678A5 (8 leads)
Type 9255C
9255C_003-051e-10.12
Data Acquisition and Evaluation Kistler offers with the DAQ system a universal and easy to operate package, consisting of a hardware for the data acquisition and the DynoWare software. For details see data sheet 5697A_000-745.
Page 4/4 This information corresponds to the current state of knowledge. Kistler reserves the right to make technical changes. Liability for consequential damage resulting from the use of Kistler products is excluded.
©2012, Kistler Group, Eulachstrasse 22, 8408 Winterthur, Switzerland Tel. +41 52 224 11 11, Fax +41 52 224 14 14,
[email protected], www.kistler.com Kistler is a registered trademark of Kistler Holding AG.
