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You can refer to **Bay PY-2700 dynamic balance instrument, built-in ISO1940 dynamic balance level query, convenient for the comparison and query of the residual amount of ISO dynamic balance components.
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ISO-1940 Balance Level Features:
In 1940, the International Organization for Standardization (ISO) established the world-recognized ISO1940 balance class, which divides the rotor balance class into 11 levels, with multiples between each level, from the highest requirement to the least demanding G4000.
List of rotor balance classes.
The unit is gram millimeter kilogram (gmm kg) and represents the eccentricity of the unbalance on the rotor axis.
G4000 Crankshaft drive for a rigidly mounted low-speed marine diesel engine with an odd number of cylinders.
Crankshaft drive for the G1600 rigidly mounted large two-stroke engine.
Crankshaft drive for a large G630 rigidly mounted four-stroke engine.
Crankshaft drive for a flexibly mounted marine diesel engine.
G250 Crankshaft drive for rigidly mounted, high-speed four-cylinder diesel engines.
G100 crankshaft transmission parts for six-cylinder and multi-cylinder high-speed diesel engines; Complete engines for automobiles, trucks and locomotives.
G40 automotive wheels, hubs, wheel integrals, propeller shafts, crankshaft drives for flexibly mounted six- and multi-cylinder high-speed four-stroke engines.
G16 drive shafts (propellers, cardan drive shafts) for special requirements; parts of the pulverizer; parts of agricultural machinery; individual parts of automobile engines;
Crankshaft drives for six- and multi-cylinder engines with special requirements.
gears for the main turbines of merchant ships and sea vessels; Drum wheel of high-speed separator; Fan; rotor components for aviation gas turbines;
impellers for pumps; machine tools and general machine parts; Ordinary motor rotors; Individual parts of the engine for special requirements.
gas and steam turbines; machine tool drives; Medium and large motor rotors for special requirements; small motor rotor; Turbo pumps.
G1 Tape recorder and record player, CD, *** drives; grinding machine drives; Small armatures for special requirements.
spindles of precision grinding machines; motor rotors; Gyroscope.
Taiwan PY2700 dynamic balancer HS2800 and other built-in ISO1940 balance level, very convenient query and comparison.
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This is based on the calculation of the final residual amount. The N600 can do the residual.
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The calculation of this dynamic balance quantity also needs to know the quality of the part, and the working speed can be calculated!
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When using KMBALANCER to do wind maneuver balancing, if there is no own acceptance standard, the instrument has a built-in international ISO1940 grade standard, input the relevant parameters of the fan, and the instrument can automatically calculate the corresponding crude and pure standard of the equipment.
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Advantages of balancing the grinding wheel shank and tool:
Reduce your machining costs and downtimes with the highest precision of process reliability.
Protect your machine because it has a shock-absorbing effect that reduces spindle bearing wear, prolongs the service life of the mechanical spindle and ensures spindle accuracy.
Thanks to the highest stock removal and rotational speeds, the machine can be used to its maximum potential, with improved surface finish and optimum accuracy stability.
Now the most convenient for the online tool holder dynamic balancing can refer to Taiwan-Hongfuxin PY2700 dynamic balance debugging method:
Method 1: Debug the dynamic balance nut of the grinding wheel rod to achieve balance, install the dynamic balance ring, and the instrument accurately tells the balance ring placement angle.
Method 2: Through the method of hole allocation, add screws to the counterweight hole of the tool holder to reduce the balance vibration.
Method 3: The de-weighting method reaches a balance, and the instrument accurately informs the deduplication angle and the deduplication drilling depth.
Method 4: The instrument has a built-in ISO1940 balance level, so that the dynamic balance of the tool holder meets the international standard.
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Hanmo is a professional manufacturer of dynamic balancers. Today's dynamic balancers are highly automated, and the program automatically calculates the unbalanced mass distribution information of the tool holder during the rotation of the tool holder, and then clicks it by the milling cutter of the corresponding diameter.
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If the mass of a rotating object is not evenly distributed, it will vibrate when it rotates. The greater the unevenness, the greater the vibration. The way to eliminate vibration is as simple as finding the uneven mass and removing it, or artificially adding the same mass balance to the opposite side of it.
Under normal circumstances, the machine tool is enough to withstand the vibration caused by the uneven quality of the fixture, if the speed is relatively high and the machining accuracy of the machined parts is also high, the dynamic balance detection of the fixture can be done to find out the quality imbalance point. Eliminate uneven mass distribution by welding weighting or drilling weight reduction. This requires a special balancing machine or a balancing instrument to detect and find the imbalance.
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In 1940, the International Organization for Standardization (ISO) established the world-recognized ISO1940 balance class, which divides the rotor balance class into 11 levels, with multiples between each level, from the highest requirement to the least demanding G4000.
The dynamic balance of the lathe fixture can be calculated according to the ISO1940 balance level: you need to know the working speed of your lathe, the quality of the tooling, and the trial radius. You can calculate the balance level of fixture tooling.
Hongfuxin HS2700 dynamic balance built-in ISO1940 balance level, can be referenced, more convenient, many machine tool manufacturers are higher than this standard.
There are 3 dynamic balancing methods for machine tool fixtures:
1. If there are three sliders on the lathe tooling, the HS2700 dynamic balance will accurately inform the placement position of the three sliders, and make the tooling reach dynamic balance by moving the slider.
2. There will generally be uniform screw holes on the tooling, and the instrument accurately tells the multiple counterweight screws to be locked at the few counterweight holes. After a few counterweight screws are locked, the dynamic balance of the tooling is completed.
3. The instrument accurately tells how many degrees of weight or deduplication in the tooling, which will affect the aesthetics of the tooling.
Therefore, you can find a dynamic balance that suits your own method.
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It's still a static balance! How can you figure it out! I also have such a problem!
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When the speed is low, as long as the center of mass is controlled on the shaft, what should I do if the speed is high???
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KM dynamic balancer has built-in ISO1940 unbalance standard, which has different unbalance standards according to different equipment types.
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ISO 1940-1-2003, Mechanical Vibration. Balanced mass requirements for the rotor in a constant (rigid) state. Part 1: Specification and Verification of Balance Tolerances.
mechanical vibration --balance quality requirements for rotors in a constant (rigid) state --part 1: specification and verification of balance tolerances
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