RIKEN OPTECH CORPORATION SDM-3LR Non-contact Stop Time Measuring Instrument

Manufacturer: RIKEN OPTECH CORPORATION
Model: SDM-3LR

Features

  • Non-contact measurement of the stopping time of powered press machines.
  • Adopting no-contact measurement systems can be universally applied for any kinds of press machines.
  • Automatically recognizes the measurement position (for stroke length of 340mm or less)
    *In case the stroke length exceeds 340mm, the measurement position can be set manually.
  • Even a machine with small inertial descending value is also measurable.
  • Able to measure Slide(Ram) descent speed.
  • Two types of sensors are available according to the measurement method.

Linear Type

The SDM3-LE type linear sensor is fixed on the bolster, and the magnetic sensor is directly fastened to the slide of the press machine to convert rotational motion to linear motion inside the device.
The stop time and over drop distance of the hydraulic press and mechanical press are digitally displayed.
When the slide descends to an arbitrary position, the press machine stops at a fixed position, so the stopping performance can always be measured under uniform conditions.
Choose from three types of sensors (Measuring length: 100/200/340mm) depending on the type of press machine.

Encoder Type

An encoder sensor is installed to the rotating part of the crankshaft, rotating angle indicator etc., to perform measurements. The stop time and stop angle of the press machine are digitally displayed. By making the crank stop at the fixed point at 90 degrees, the stopping performance can be measured at all times under uniform conditions.

Specifications

Measuring rangeOver drop distance: 0~999 mm   Resolution: 1 mm
Stopping time: 0~999 ms   Resolution: 0.1 ms
Sensor systemNon-contact magnet type (linear)
Encoder type (rotary)
Display methodDigital four-digit
Power supply voltageAC100V~AC220V ±10%
Linear sensorEffective measuring range: 100 mm, 200 mm, 340 mm
Resolution: 0.33 mm 10 bit
Linearity: ±0.03 FS ±0.102 mm
EncoderStarting torque: 0.98 mN・m or less
Resolution: 720 P/R
Allowable maximum speed: 1000 rpm
Ambient temperatureDuring operation: -10~55℃(no-freezing)
During storage: – 30~70℃
Ambient humidityDuring operation: 35~85% RH(no-condensation)
During storage:  35~95% RH
SensorLinear TypeSDM3-LE-100 (Measuring range: 100mm)
SDM3-LE-200 (Measuring range: 200mm)
SDM3-LE-340 (Measuring range: 340mm)
Encoder TypeSDM3-P (Pully type)
SDM3-O (Press type)
SDM3-C (Direct-coupled)

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