- Modular design for various application options and drive systems
- Simple and secure operation
- Extensive protection and safety equipment for operators, machine and environment
- High measurement accuracy through digital measured data processing
Range of application
Series HL balancing machines with saddle-bearings are specifically designed for balancing turbines and compressors in manufacturing and overhaul workshops in the aircraft industry.The modular concept allows adaptation to a wide range of balancing tasks through simple exchange of standard components, e.g. by supporting rotors with shaft journals on roller-bearings.
Design
Force-measuring, horizontal balancing machine with permanent calibration and manual operation.The machine corresponds to SAE machine classification according to SAE ARP 4048: Rotor support in saddle bearings, microprocessorcontrolled measuring unit and optional protective enclosure (protection class B or C) are specifically designed for the balancing tasks of the aircraft industry.
They are equipped with end and/or belt drive systems.
A large range of accessories is available for expanded range of tasks.
| Technical data at a glance | HL 1 BU | HL 2 BU | HL 3 UB | HL 4 UB | HL 5 UB | HL 50 UB | HL 6 U | |
| Measuring unit | CAB 925 | CAB 925 | CAB 925 | CAB 925 | CAB 925 | CAB 925 | CAB 925 | |
| End drive | • | • | • | • | • | |||
| Belt drive | • | • | • | • | • | • | ||
| SAE Mechine class 2) | [lb] | 30 | 100 | 300 | 1000 | 3000 | ||
| Rotor | ||||||||
| Weight | [kg] | 16 | 1 - 100 | 1,5 - 200 | 1,5 - 700 | 5 - 1400 | 20 - 2800 | 50 - 5000 |
| Diameter, max. 1) | [mm] | 360 | 800 | 1260 | 1600 | 1600 | 3000 | 3400 |
| Journal diameter 6) | [mm] | 6 - 70 | 9 - 140 | 9 - 140 | 12 - 200 | 18 - 280 | 35 - 305 | 35 - 305 |
| Saddle size 2) | (Zoll) | 4 | 6 | 6 | 10 | 13 | 20 | 20 |
| Saddle insert | (Zoll) | - | - | - | 10 / 8 | - | 20 / 13 | - |
| Length, max. | [mm] | 450 | 1380 | 1540 | 2170 | 2435 | 3860 | 4000 |
| Machine | ||||||||
| Width A 5) | [mm] | 1500 | 2500 | 3500 | 4500 | 5000 | 7000 | 8000 |
| Depth B 5) | [mm] | 1000 | 1500 | 2000 | 2500 | 2500 | 3000 | 5500 |
| Height C 5) | [mm] | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2500 |
| End-drive 4) | ||||||||
| Variable balancing speed, max. | [min -1] | - | - | 1130 | 1340 | 960 | 960 | 2180 |
| Drive power | (kW) | - | - | 2.2 | 7.5 | 37 | 55 | max. 250 |
| Belt drive 4) | ||||||||
| Variable balancing speed, max. 3) | [min -1] | 1140 | 1600 | 1900 | 1600 | 1350 | 2520 | - |
| Drive power | (kW) | 0.13 | 2.2 | 2.2 | 7.5 | 22 | 55 | - |
| Balancing accuracy 2) | (µ inch) | 10 | 10 | 10 | 10 | 15 | 15 | 15 |
| SAE test rotor, weight 7) | [lb] | 11 | 50 | 50 | 50 | 150 | 500 | 500 |
| Power requirement | [V] | 230 | 400 8) | 400 8) | 400 8) | 400 8) | 400 8) | 400 8) |
| Order No. | R0460100.01 | R0460200.01 | R0460300.01 | R0460400.01 | R0460500.01 | R0460600.01 | R0460700.01 | |
| Order No. | R0460101.01 | R0460201.01 | R0460301.01 | R0460401.01 | R0460501.01 | R0460601.01 | R0460701.01 | |
| Drive lock | Order No. | - | - | - | R0460402.01 | R0460502.01 | R0460602.01 | R0460702.01 |
| Protective enclosure, type C | Order No. | R0460103.01 | R0460203.01 | R0460303.01 | R0460403.01 | R0460503.01 | - | - |
| Protective fence, type B | Order No. | - | - | - | - | - | R0460604.01 | R0460704.01 |
| SAE test rotor ARP 4162 | Order No. | R0460105.01 | R0460205.01 | R0460305.01 | R0460405.01 | R0460505.01 | R0460605.01 | R0460705.01 |
| Report printout equipment | Order No. | R0460106.01 | R0460206.01 | R0460306.01 | R0460406.01 | R0460506.01 | R0460606.01 | R0460706.01 |
| 2) Corresponding to SAE ARP 4048 | ||||||||
| 3) With drive diameter 100 mm, from model HL5UB with 200 mm | ||||||||
| 4) Various drive variants on request | ||||||||
| 5) Data non-binding, dependent on the respective equipment | ||||||||
| 6 ) With optional roller bearings | ||||||||
| 7) Option | ||||||||
| 8) Power configuration: 3 / PE AC 50Hz 400 V +6 / -10% |
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A special feature is the dynamometer principle of the support pedestals that accommodate large initial unbalances due to their rugged construction. This allows not only permanent calibration and simple change over of the machine, but also guarantees an especially high balancing accuracy. -
The machine series covers a large weight and diameter range. This provides tailor-made solutions for SAE class 30 to 3000 machines.From the smallest APU to the largest fan rotor, Schenck RoTec’s HL machines offer the highest quality and maximum safety.
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