ARBM 120 Amsler Rotary Bending Machine

The purpose of the rotating bar bending fatigue test (as per DIN 50113-1982 and ISO 1143-2010) is to determine the bending fatigue strength properties of round specimens under rotating load. During determination of bending fatigue strength the specimen is subjected exclusively to alternating loading in order to obtain a mean value of zero between positive and negative loads of equal magnitude. As the greatest stresses occur on the surface of the specimen, the condition of the surface is of particular importance in this test method. The rotating bar bending fatigue test can also be performed with an optionally available high-temperature furnace at elevated temperatures up to 850°C.

Advantages and features
■ Fast, easy setup
  Variably adjustable bending moment via weights
  Constant bending moment over the specimen length
  Steplessly adjustable rotational speed
  Self-centering specimen clamping; high alignmentaccuracy
  Safety systems as per Machinery Directives 89/392/EEC and 91/368/EEC
 
Range of application
  This device can be widely used in various industries,such as: rail transit, energy, automotive, aviation, materials research institute, college, etc.





Technical data
Description Value  
Main machine    
Bending moment (in steps of 0.5 Nm) 2.5 to 120 Nm
Rotational speed, stepless 500 to 5000 r/min
Max. cycle counter 1) 99999900 (i.e. 1x10 ^8 )  
Max. bending angle  
Dimensions (W x D x H) 1520 x 1010 x 1450 mm
Total weight 690 kg
Test area    
Grip-to-grip separation (tests at room temperature) 2) 50 to 200 mm
Grip-to-grip separation (tests at high temperature) 160 to 200 mm
Furnace width 130 mm
Clamping diameter 2-20 3) mm
Clamp length (with clamp diameter 8 ~ 20 mm) 40 ± 10 mm
Clamp length (with clamp diameter 2 ~ 7.5 mm) 25 ± 5 mm

Description Value  
Hydraulic system    
Working pressure 5 bar
Pump flow-rate 2 l/min
Reservoir capacity 30 l
Oil viscosity, approx. 10 cSt at 40 °C
Load weight    
Weights                                                                                                              (1x 1 N; 2x 2 N; 1x 5 N; 2x 10 N;
1x 20 N; 1x 50 N; 2x100 N) x 2 boxes
 
Material stainless steel, density 7.9 g/cm 3 ,
G = 9.80665 N/kg
 
Packing/packaging                                                                net weight: (30.5 kg; gross weight:
 34.5 kg) x 2 boxes
 
Power supply    
Input voltage 3x 380/400 V + PE + N, 50/60 Hz  
Current 16 A
Power rating 0.75 (without furnace), 2 (with furnace) kW
IP Protection Design complies with IP 33  
1) Cycle counts up to 999999000 (i.e.1 x 10 9 ) also can be configured - please enquire
2) Shorter grip-to-grip separation possible - please enquire.
3) Depending on chuck selected from ER32 range

ER32 Collets

Clamping range1) φ  Item No.
[mm] [inch] 
5.50 - 4.50 0.2165 - 0.1772 08.0055
6.00 - 5.00 0.2362 - 0.1969 08.0056
6.50 - 5.50 0.2559 - 0.2165 08.0057
7.00 - 6.00 0.2756 - 0.2362 08.0058
7.50 - 6.50 0.2953 - 0.2559 08.0059
8.00 - 7.00 0.3150 - 0.2756 08.0060
8.50 - 7.50 0.3347 - 0.2953 08.0061
9.00 - 8.00 0.3543 - 0.3150 08.0062
9.50 - 8.50 0.3740 - 0.3347 08.0063
10.00 - 9.00 0.3937 - 0.3543 08.0064
10.50 - 9.50 0.4134 - 0.3740 08.0065
11.00 - 10.00 0.4330 - 0.3937 08.0066
11.50 - 10.50 0.4528 - 0.4134 08.0067
12.00 - 11.00 0.4724 - 0.4375 08.0068
12.50 - 11.50 0.4921 - 0.4528 08.0069
13.00 - 12.00 0.5118 - 0.4724 08.0070
13.50 - 12.50 0.5315 - 0.4921 08.0071
14.00 - 13.00 0.5512 - 0.5118 08.0072
14.50 - 13.50 0.5709 - 0.5315 08.0073
15.00 - 14.00 0.5905 - 0.5512 08.0074
15.50 - 14.50 0.6102 - 0.5315 08.0075
1):5.5-15.5mm is a common size, maximum size range is 2-20mm. If necessary, please contact with us.


Option available: AHTF 850-A high-temperature furnace


Description Value  
High-temperature furnace    
Max. temperature 200 to 850 °C
Heating time 45 ± 5 1) min.
Control method PID controller  
Controller accuracy ± 2 °C
Input voltage 3x 380/400 V
1) From room temperature to 850°C, empty furnace

Basic instruments

Description Item number
Rotating bending fatigue testing machine, with pre-installed furnace including mechanical inter‐face 03.0027 / 1036340
Rotating bending fatigue testing machine - furnace not supplied (mechanical interface included) 03.0001 / 1036342
High Temperature Furnace and control system 08.0053
Load weights, 1 N to 100 N, stainless steel 08.0054

All data at ambient temperature.                               We reserve the right to make technical changes in the course of ongoing development.