Schenck Horizontal Hard-Bearing Balancing Machine

• Customization: Available
• Type: Vibration Testing Machine
• Load Way: Electronic Load
• Model NO.: HM1BK
• Loading Method: Dynamic Load
• Display: Digital
• Control: Computer Control
• Weight: 100-500Kg
• Power Source: AC220V
• High Precision: Modular Design
• Universal Application: High Initial Unbalancing Value Permit
• Simple and Precise Measuring Unit: Flexible and Dynamic Drive Unit
• Transport Package: Plywood Case
• Specification: Schenck
• Trademark: Schenck
• Origin: Shanghai
• HS Code: 903190010
• Production Capacity: 300 Sets Per Quarter

Product Description

Why you need balancing for your products?!

1. Balancing creates quality

Unless it is corrected, the effect of unbalance will often only become noticeable in the finished product. if rotors are not balanced, they can cause undesired or even dangerous vibrations. They can also diminish the practical value of a machine, cause damage to the bearing, or fractures to the chasing, suspension or foundation. Excessive noise and vibration may also irritate or annoy the user and lead them to conclude that the product is of poor quality. Thus a product that is free from noise and vibration is always a sign of quality and craftmanship.

2. Increasing demands
 
More sophisticated technical development have lead to constantly increasing requirements with regard to balancing quality. Higher performance for applications such as high-speed tool spindles, electric motors, turbines, fans, universal joint shafts or paper rolls simply mean higher speed. The trend is clear, and in order to meet these requirements precision balancing is essential. Accurately balanced rotors allow us to safely reach higher speeds and deliver considerably higher performance.

Typical applications
 
Auto: crankshaft, drive shaft, brakes, pulley, armature
Aerospace: generator, motor, transmission shaft, APU accessories, wheel
Blowers / Compressors / Turbine: ventilator, blower, compressor, turbine
Motor: electromotor, generator
Machine tool: machanical spindle, electric spindle, tool shank, grinding wheel
Pump: centrifugal pump, double suction pump, mixed flow pump, axial flow pump
Papermaking: drum dryer,pressing  roller, guide roller
Textile: spinning cup, split wing, spindle, combing roller,slotted drum, carding machine roller
Railway / Vessel: electric motor, blower, marine crankshaft, turbocharger, wheel, train wheel set

Horizontal Hard-Bearing Balancing Machine HM1BK
 
Basic Technical Data

Provided the rotor weight is equally shared between the two bearings, rotor weight  W per bearing pedestal	max. max.	12 kg 6 kg
Rotor weight  (as long as an accommodation of the rotor is possible due to the geometric data and the minimum achievable residual unbalance is sufficient for the balancing task.)	min.	unlimited
Distance between bearing centers (500 mm length machine base) distance between bearing centers with belt drive	max. min. min.	450 mm 15 mm 40 mm
Rotor swing diameter above the machine base Rotor swing diameter within the motor range	max. max.	360 mm 200 mm
Journal bearing diameter	max. min.	22 mm 5 mm
Belt Driving Diameter		10-150 mm
Balancing speeds based upon 50 mm belt driving diameter approx. (with other belt driving diameters, the speeds change accordingly. in addition, the speed range of the measuring unit must be taken into account. see item 2)	220 - 2 200  rpm
wn2-value     for permanent calibration	wn2 = 80x106kg/min2
umar minimum achievable residual unbalance (*according to iso2953) -each bearing plane 0.1 gmm per kg rotor weight -but not better than the maximum measuring sensitivity of the measuring unit 0.1gmm (* this value is refering to the measuring speed of 1000 rpm with cab708, also influenced by the rotor characteristics and support bearing. see specification of the measuring unit)
unbalance reduction ratio (urr)	≥ 95%

Provided the rotor weight is equally shared between the two bearings, rotor weight  W per bearing pedestal	max. max.	12 kg 6 kg
Rotor weight  (as long as an accommodation of the rotor is possible due to the geometric data and the minimum achievable residual unbalance is sufficient for the balancing task.)	min.	unlimited
Distance between bearing centers (500 mm length machine base) distance between bearing centers with belt drive	max. min. min.	450 mm 15 mm 40 mm
Rotor swing diameter above the machine base Rotor swing diameter within the motor range	max. max.	360 mm 200 mm
Journal bearing diameter	max. min.	22 mm 5 mm
Belt Driving Diameter		10-150 mm
Balancing speeds based upon 50 mm belt driving diameter approx. (with other belt driving diameters, the speeds change accordingly. in addition, the speed range of the measuring unit must be taken into account. see item 2)	220 - 2 200  rpm
wn2-value     for permanent calibration	wn2 = 80x106kg/min2
umar minimum achievable residual unbalance (*according to iso2953) -each bearing plane 0.1 gmm per kg rotor weight -but not better than the maximum measuring sensitivity of the measuring unit 0.1gmm (* this value is refering to the measuring speed of 1000 rpm with cab708, also influenced by the rotor characteristics and support bearing. see specification of the measuring unit)
unbalance reduction ratio (urr)	≥ 95%

Note:
The above mentioned data (especially the accuracy data) not means can be achieved the customer rotors, please find the definitions according to ISO 2953 or related international regulations.
The drive power chosen out is relative with the work pieces, due to the diversity of out structure, moment of inertia and wind influence of different rotors, which means not all the biggest rotors can reach the balancing speed as we expected.
extent of delivery: (basic delivery scope)

1          Machine base 500mm

2          Bearing pedestals


1          Overslung belt drive(bk)

1          Reference pickup

1          Electric Drive and Control


Accessories:
Connect cables, Tools, Balancing plasticine, 1 set of technical documentation.

Language:
Technical documentation and lettering of the machine in English or Chinese.

Electrics:
Normal voltage 220 volt ± 10%, frequency 50 hz. (special design on request.)

colour finish:
according to Schenck standard