Dental high-speed turbine handpiece standard 4-hole

Working pressure: 0.2~0.3Kgf/cm2General allocation: NSK M&YClamping force: ≥ 3kgUses: tooth extraction, cutting, grinding and drillingRotating speed range: 300.000rpm~350.000rpmNeedle taking method: standard pressingConcentricity: 0~0.002umWater injection method: single point water spray coolingPress shaft runout: 0~0.008umStyle: pana max style high-speed mobile phoneNoise: ≤ 60dBInterface type: four holesApplicable tools: high-speed lathe needle φ 1.59 mm-φ 1.60 mmSterilization conditions: can withstand high temperature and high pressure disinfection at 135℃Warranty period: the whole machine is guaranteed for one year, and the movement enjoys a six-month package replacement serviceBearing: ceramic bearingFirst, the use of dental mobile phones1. Use a clean, dry and oil-free medical air compressor;2. The air pressure is between 2.3 and 2.8 kgf/cm2;3. Combine the quick connector with the adapter at the bottom of the dental handpiece, and confirm that it has been locked and fixed;4. Press down the pedal to check whether the dental handpiece operates and the nose spray works normally. If everything is normal, you can start using dental cell phones.Second, each patient should do the following maintenance after use1. first remove the DIA grinding needle, and clean all the teeth deposits on the dental handpiece;2. Clean spray holes and gas injection holes with metal needles;Note: The spray hole forms a 40-degree angle with the DIA grinding needle, and the jet hole forms a 30-degree angle with the DIA grinding needle.3. Spray clean lubricating oil into the axial hole for 1-2 seconds (the DIA grinding needle has been inserted into the hole);4. There are two shapes (with/without quick connector) on the bottom of the molar mobile phone, please spray a proper amount of lubricating oil on the bottom;5. Combine the molar mobile phone with the quick connector (first make sure that the water switch is turned off)6. Install the DIA grinding needle and wrap the dental handpiece with white gauze (make sure that the DIA grinding needle will not contact with white gauze to avoid knotting);7. Press the pedal for about 20 seconds to check whether there is any stain on the white gauze. If there is stain on the white gauze, add lubricating oil again, and continue to start from the fourth item of daily maintenance until there is no stain on the white gauze;8. At last, high temperature and high pressure sterilization is carried out at no more than 135 degrees Celsius.Daily maintenance of dental mobile phoneFault 1: Poor water supply occurs(1) The water supply is insufficient.(2) Uneven water quantity.(3) The water supply is not foggy.(4) No water at all.Solution: Check the part where the water is blocked(1) pipeline: remove the turbine handset and check whether proper amount of water flows out of the pipeline. If no water flows out, it may be a problem with the water pipe or the water supply system of the comprehensive treatment table (poor contact or misoperation, and insufficient water pressure of the water source).(2) Interface: connect the interface to the conductor for trial operation. If the proper amount of water does not flow out, it is a problem at the interface (water supply system is blocked by scale, etc. or the interface is loose, resulting in insufficient pressure).(3) Mobile phone body: After removing the shaft core from the turbine, install the interface for operation. If the proper amount of water does not flow out, it is a problem in the turbine phone body (the water supply hole is blocked by dirt or the water supply system in the turbine phone is blocked).(4) Shaft core: If the above three water supplies flow out normally, it is the shaft core problem (the water supply nozzle is blocked).Fault 2: The water spout of the shaft core is blocked.Workaround:(1) Remove the end cover and take out the shaft core.(2) Remove the nozzle cleaning needle behind the brush and insert the needle straight into the water nozzle.(3) The nozzle cleaning needle should be inserted into the upper groove (the needle passes through the jet slot). Clean the dust in this part with a special brush.(4) Blow it off from the needle side with three guns.(5) When installing the shaft core on the machine head, be sure to install the O-ring correctly.Fault 3: The needle is easy to fall off, the needle cannot be pulled out, and the axis vibrates.Workaround:(1) When selecting the lathe needle, the allowable speed range specified by the lathe needle manufacturer must be confirmed, otherwise, the lathe needle will easily fall off when the cutting load is greater than the clamping force of the chuck.(2) Short-handled needles should be used for mini-machine heads, which are easy to fall off when attaching long-handled needles.(3) Wear-thinned needles, bent needles or needles with missing edges shall not be used, otherwise the durability of bearings will be affected.(4) After the lathe needle is installed, it must be pulled out to make sure that it is firmly installed. If it is not inserted deep, it will be too shallow, which will cause the danger of the lathe needle flying out.Fault 4: The mobile phone does not turn or rotates slowly.Workaround:(1) The collision and falling deformation of the mobile phone head make the operation of the wind wheel suffer resistance. As long as it is restored with proper tools, it can make the wind wheel run flexibly.(2) Bearing lacks oil lubrication. Add mobile phone lubricating oil for lubrication.(3) The bearing is damaged. Just replace the bearings of the same type.(4) Low air pressure. If it is less than 2.0-2.5 kgf/cm2, adjust the air pressure to keep it at 2.0-2.5 kgf/cm2, and the rotating speed will be normal.

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