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0 50 100 150 200 250 300 350 400 450 Change in the spindle- chuck table distance Dicing water temperature The DTU152, 1531 and 1540 are water supply units for dicing saws and grinders that provide a stable supply of spindle cooling water or dicing water at a constant temperature and a suitable pressure. Stable high precision processing Due to optimizations in the unit design, changes in temperature when changing the flow rate of dicing water can be kept under 1 oC. Changes in dicing saws, grinder spindles, chuck tables, and workpiece areas around the process point due to changes in temperature can be minimized to help improve processing precision. Guarantee water supply pressure Even if the pressure of the water supply from the facility infrastructure is low, the unit will increase the water pressure to the necessary levels for dicing saws and grinders. DTU152/1531/1540 Water Temperature Control Unit High precision water temperature control for stabilizing equipment precision and product quality Importance of water temperature management Management of the thermal c hanges in the areas of the workpiece near the processing point with water at a stable temperature is critical for high precision processing. Change in the spindle-chuck table distance* due to changes in the dicing water temperature. (Dicing saw) Dicing water temperature (oC) Change in the spindle chuck table distance (Index) Duration (min) DTU1540 *Effect on cut depth precision
www.disco.co.jp 2014.11 Water Temperature Control Unit DTU152/1531/1540 Specifications ■ Environmental conditions
- Keep room temperature fluctuations within ±1 °C of the set value. (Set value should be between 20 - 25 ℃).
- The machines should be used in an environment, free from external vibration. Do not install machine near a ventilation opening , heat generation equipment or oil mist generating parts.
- This machine uses water. In case of water leakage, please install the machine on the floor with sufficient waterproofing and drainage treatments. * All the pressures are described using gauge pressures. * The above specifications may change due to technical modifications. Please confirm when placing your order. * For further information please contact your local sales representatives DTU152 Basic Model Supports many different equipment types DTU1531 Cooling water centric model Supports high output grinders and spindles DTU1540 Energy conservation model Uses a highly efficient temperature unit for energy conservation Unit Cooling water line Cutting water line Spindle coolant Grinding water Deg C 20 ～ 25 20 ～ 27 and within 2℃ of the spindle coolant setting 20 - 25 20 - 27 and within 2°C of the spindle coolant setting 20-25 Deg C 1 1 Within 1 Less than 1 ±1 kW - 12.5 - 12.5 10 L/min 6 25 15 25 45 - Recirculation type Drainage type Recirculation Drain Cutting water system: Flushing method Cooling water system: Circulating method Note: Both systems are branched from mm 500 x 780 x 1,650 kg 270 (when it is dry) DTU1540 330 × 1,550 × 875 Approx. 280 when full DTU152 DTU1531 Specification Range required to guarantee accuracy Temperature accuracy Machine dimensions Cooling efficiency Heating efficiency Flow rate Circulation method Approx.310 when fullMachine weight