Manufacturing Expert Spring Testing Solutions Since 1979
ATST Automatic Torsion Spring Tester
The ATST is a motorized torque / angle tester that is available in six load ranges: 3, 25, 100, 200, 500 and 1,300 in-lb. Fast, quiet testing with closed loop servo drives.
Achieve 30 second tool-less changeovers from type to type
Built-in angle zeroing provides ± 0.1° setup accuracy every time
The ATST is a motorized torque / angle tester that is available in six load ranges: 3, 25, 100, 200, 500 and 1,300 in-lb. Fast, quiet testing with closed loop servo drives. The solid steel base and aluminum frame is rugged for durability in many different testing environments. The ATST, like all LSI testers, comes standard with an NIST traceable certificate of calibration.
FLASH technology was redesigned from the ground up with full color interactive graphics using a 10.4″ LCD touch screen interface and allows for on-demand statistical and graphical analysis and Larson Systems’ new Quick Test and Quick Launch features. Quick Test automatically finds basic testing points without having to program anything except torque or angle limits. Quick Launch allows multiple operators to efficiently use one tester using fast user switching; no more time wasted saving and loading programs!
Absolute Zero
Take the guesswork out of testing with LSI’s revolutionary absolute zeroing technique. Used with custom interchangeable tooling, this technique improves repeatability of setups and results during testing. Parts are then measured against the nominal dimensions according to the drawing or specifications, not to a relative point requiring intuition and guesswork.
Custom Interchangeable Tooling
Using LSI’s custom interchangeable tooling technique, you can machine tooling blanks to fit your specific applications or send the information to us and we will do the work for you.
Achieve 30 second tool-less changeovers from type to type
Identical setups each time enhance repeatability
Pre-machined blanks make tooling inexpensive and standardized
Tooling can be designed to exactly match assembly features for best correlation
Built-in angle zeroing provides ± 0.1° setup accuracy every time
The best solution for repeating parts or specific spring types or families
With the universal tooling supplied by LSI, you can test many parts with no special fittings. This is great for unique or one-time job runs with a minimum of setup time.
2″, 3″ & 4″ universal fittings
A conventional approach that has good flexibility in making setups
Includes chuck, mandrill set to 17/32″ diameter and reaction plate
Both custom and universal tooling is designed to be changed in seconds… YES! In just seconds, you can go from one setup to the next, maintaining your repeatability and reproducibility. Setups within ± 0.1°.
Smart Interchangeable Torque Cartridges
Switch from one torque cartridge to another in just minutes, allowing for a single tester to test a wide range of capacities quickly and accurately. Smart torque cartridges can be digitally calibrated. You can also send in only the smart torque cartridge to LSI for remote calibration (full system calibration is better than individual component calibration).
Crank Z-Axis the control to desired length for specific length compression testing.
Available on our ATST 200, ATST 500 and ATST 1300 standard base units for both high and low profile models.
Torque Specifications
Load Cell
Capacity
Standard Resolution
0-20% FS
20-100% FS
25 in-lb
0.002 in-lb
0.02 in-lb
288 kg-mm
0.02 kg-mm
0.2 kg-mm
2,825 N-mm
0.2 N-mm
2 N-mm
100 in-lb
0.005 in-lb
0.05 in-lb
1,152 kg-mm
0.05 kg-mm
0.5 kg-mm
11,299 N-mm
0.5 N-mm
5 N-mm
200 in-lb
0.01 in-lb
0.1 in-lb
2,304 kg-mm
0.1 kg-mm
1 kg-mm
22,597 N-mm
1 N-mm
10 N-mm
500 in-lb
0.05 in-lb
0.5 in-lb
5,761 kg-mm
0.5 kg-mm
5 kg-mm
56,493 N-mm
5 N-mm
50 N-mm
1,300 in-lb
0.1 in-lb
1 in-lb
14,978 kg-mm
1 kg-mm
10 kg-mm
146,883 N-mm
10 N-mm
100 N-mm
Accuracy = ± Full Scale Resolution x 2
Parts & Accessories
Tester
Description
Part Number
ATST 200 - Automatic Torsion Spring Tester 200 in-lb (11.5" Bed - Low Profile)
Part Number: 0025-0000-0379-00
The universal tooling assembly available from LSI can be configured to test many parts without attaching any other fixtures. This assembly includes 2”, 3”, and 4” universal fixtures, a chuck, a mandrill set to 17/32” diameter and a reaction plate.
Part Number: 025-0000-0353-00
The universal tooling assembly available from LSI can be configured to test many parts without attaching any other fixtures. This assembly includes 2”, 3”, and 4” universal fixtures, a chuck, a mandrill set to 17/32” diameter and a reaction plate.
Part Number: 025-0000-0477-00
If you need to know how many revolutions your wire or other material can withstand, these attachments are perfect. This can be used to measure wire twist before breakage or twist and load characteristics. Choose between two jacobs chuck grip sizes.
Part Number: 025-0000-0477-01
If you need to know how many revolutions your wire or other material can withstand, these attachments are perfect. This can be used to measure wire twist before breakage or twist and load characteristics. Choose between two jacobs chuck grip sizes.
Part Number: 025-0000-0480-00
If you need to know how many revolutions your wire or other material can withstand, these attachments are perfect. This can be used to measure wire twist before breakage or twist and load characteristics. Choose between two jacobs chuck grip sizes.
Part Number: 025-0000-0368-03
This set includes the following weight sizes for a total of 40.5 lb:
(1) 0.5 lb slotted weight
(1) 1 lb slotted weight
(2) 2 lb slotted weights
(1) 5 lb slotted weight
(1) 10 lb slotted weight
(1) 20 lb slotted weight