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FH-JL16
Feihong
One cylinder opens it. One cylinder closes it. 99,999 times. The caster brake durability test done right.
The FH-JL16 cycles a caster's brake mechanism between the fully engaged and fully released positions using two dedicated pneumatic cylinders — one assigned to open, one to close — at a programmable frequency of 10–30 cycles per minute under up to 200kg of adjustable brake force. A cycle counter running to 99,999 stops the machine automatically on completion. Cylinder position, angle, and front-back offset are all adjustable to accommodate different brake designs and actuation geometries; product height adjusts 100mm; and single or simultaneous fixture activation is selectable from the control panel. Compact benchtop format at 600×580×460mm and 150W.
Quick Specs
Standards: EN 12527, EN 12530, GB/T 14688
Caster size range: 50–250mm
Cylinder configuration: 2 cylinders (1 × open, 1 × close)
Maximum cylinder force: 200kg (adjustable)
Brake force: Adjustable
Cycle frequency: 10–30 times/min (adjustable)
Maximum cycle count: 99,999 (auto-stop on completion)
Mounting height adjustment: 100mm range
Position adjustment: Angle and front-back position (brake actuator)
Control: Single fixture or simultaneous activation
Dimensions: 600 × 580 × 460mm (L×W×H)
Power: 220V, 50Hz, 150W
Why Caster Brake Life Testing Is a Distinct and Mandatory Test
Overview of the FH-JL16 Test Machine
Standards: EN 12527, EN 12530, GB/T 14688
The Dual-Cylinder Design: Why One Cylinder Is Not Enough
Design Features of the FH-JL16
Technical Specifications
How the FH-JL16 Testing Process Works
Benefits for Caster Manufacturers and Testing Labs
Choosing the Right Caster Brake Life Tester
Real-World Application Scenarios
FAQs for the FH-JL16
Related Testing Equipment
Get a Quote from Feihong Machine
A caster brake is a safety-critical component. On medical equipment trolleys, on heavy lab benches, on industrial carts carrying hazardous loads, and on any equipment used on sloped surfaces, the caster brake is the mechanism that prevents uncontrolled movement when the equipment is stationary. A brake that fails to engage — or fails to disengage — creates a safety incident.
The failure modes of caster brakes under service conditions are mechanical fatigue phenomena, not static overload failures:
Pedal or lever hinge fatigue — the actuation mechanism cycles through its engagement-release travel thousands of times in service; the hinge point accumulates fatigue stress with each cycle
Locking tooth or ratchet wear — the engagement teeth that lock the wheel against rotation wear progressively under the lateral forces of trying-to-roll-while-braked
Spring preload loss — the return spring that holds the brake engaged (or released) loses preload over thousands of compression-extension cycles
Cam surface wear — where the brake acts through a cam mechanism, the cam-follower contact surface wears under the repetitive engagement load
None of these failure modes appear in a single static brake force test. They emerge after hundreds or thousands of engagement-release cycles — which is exactly the load history that the FH-JL16 applies in compressed, controlled form.
EN 12530 (brakes for castors and wheels), EN 12527 (castors and wheels — test methods), and GB/T 14688 (furniture castors — test methods) all include brake endurance requirements as mandatory qualification tests for casters with integral brake mechanisms. The FH-JL16 implements these brake cycling tests in a compact, adjustable, and precisely controllable benchtop format.
The FH-JL16 is a dual-cylinder pneumatic caster brake life tester that cycles any foot-operated, side-operated, or lever-operated caster brake mechanism through the complete engagement-release cycle at programmable frequency and force.
The fundamental operating principle is simple: one pneumatic cylinder applies force to the brake actuation mechanism in the direction that engages the brake; a second pneumatic cylinder applies force in the direction that releases the brake. The two cylinders alternate — engage, release, engage, release — at the programmed cycle rate and force level, accumulating cycles until the counter reaches the set limit and the machine stops automatically.
This two-cylinder architecture — one dedicated to engagement, one to release — is the design feature that separates the FH-JL16 from simpler single-cylinder alternatives. A single-cylinder machine can push the brake to engaged, then return to the released position by spring-back — but spring-back force is not the same as the active release force that a user applies when stepping on the release pedal. The FH-JL16's dedicated release cylinder applies a controlled, consistent release force that replicates the real release actuation, independently of whatever spring is in the brake mechanism.
The cylinder head position, actuation angle, and front-back offset are all adjustable — accommodating the range of brake designs on the market from side-step pedal brakes to top-step brakes to lever-operated mechanisms. Product mounting height is adjustable within 100mm. The control panel allows either individual fixture activation or simultaneous activation of all installed fixtures.
EN 12530 is the dedicated European standard for caster and wheel brake testing. It covers:
Brake holding force — the force required to move a braked caster, verifying that the engaged brake provides the specified resistance
Brake endurance — the number of engagement-release cycles the brake must survive without loss of holding function
Brake actuation force — the force required to engage and release the brake mechanism
The FH-JL16's programmable cycle count (up to 99,999), adjustable actuation force (up to 200kg), and adjustable cycle frequency (10–30/min) directly implement the EN 12530 brake endurance test parameters.
EN 12527 covers the complete caster test framework including brake tests. For casters with integral brakes, EN 12527 references the brake test methods that overlap with EN 12530 — making EN 12527 the top-level standard under which brake endurance testing is performed for complete caster qualification.
China's GB/T 14688 specifies furniture caster test methods including brake endurance cycles for casters with brakes. The cycle count, force, and frequency parameters align with the EN 12527 / EN 12530 framework. The FH-JL16's parameter ranges cover GB/T 14688 brake test requirements.
Application | Typical EN 12530 Endurance Requirement | Brake Criticality |
|---|---|---|
Office furniture castors | 50,000–100,000 cycles | Medium — prevents chair rolling when unoccupied |
Medical equipment trolleys | 100,000+ cycles | High — safety-critical for medication and equipment stability |
Industrial carts | 50,000–200,000 cycles | High — prevents load movement on slopes and ramps |
Lab equipment | 50,000–100,000 cycles | Medium-high — prevents equipment movement during use |
The FH-JL16's 99,999 maximum cycle count covers all of these application requirements.
The brake engagement and brake release are two mechanically distinct actions — they involve different forces, different directions of travel, and different parts of the brake mechanism. Testing both realistically requires independent control of both.
A single-cylinder tester pushes the brake to engaged, then relies on the brake's own internal spring to return to the released position. This means:
The release "force" is determined by the spring preload, not by a controlled test parameter
As the spring preload changes with fatigue (the primary wear mechanism being tested), the release force changes — invalidating the test's representation of real use
The test cannot independently control engagement force and release force
If the spring breaks during the test, the machine cannot detect it — the brake simply doesn't release, but no alarm is generated
Function | Cylinder | Force | Control |
|---|---|---|---|
Brake engagement | Cylinder 1 | 0–200kg (adjustable) | Independent |
Brake release | Cylinder 2 | 0–200kg (adjustable) | Independent |
With two cylinders, engagement and release are both actively controlled and independently adjustable. The release cylinder applies the same defined force on every cycle regardless of the brake's spring condition — so the test remains consistent even as the spring degrades. And if the brake mechanism becomes seized (a failure mode), the release cylinder detects the anomaly as a force or position deviation rather than simply failing to return.
This dual-cylinder architecture also allows the FH-JL16 to test brakes with different actuation geometries — side-step, top-step, lever, and others — by adjusting which cylinder is positioned at the engagement actuation point and which at the release point.
Two dedicated cylinders provide independent, controlled force for engagement and release. Maximum force per cylinder is 200kg, adjustable via the pressure regulator. The two cylinders alternate on each cycle under timer control — the engagement cylinder actuates, the release cylinder actuates, completing one cycle.
The brake actuator assembly — the part of the machine that contacts the caster's brake mechanism — adjusts in three dimensions:
Angle: The actuation direction is adjustable to match the angle of the caster's brake pedal or lever — critical for foot-step brakes that actuate vertically, side brakes that actuate horizontally, and angled-pedal designs in between
Front-back position: The actuator's fore-aft position along the test bench is adjustable to position the cylinder contact point correctly relative to the brake actuation point for different caster footprints
Height: The product mounting height adjusts within a 100mm range to accommodate casters of different heights (50–250mm) and position the brake pedal at the correct height for the actuator
This three-axis adjustability is what allows the FH-JL16 to test the range of brake designs on the market without bespoke fixtures for each product — the machine adapts to the caster, not the reverse.
The cycle frequency — the rate at which the brake cycles through engagement and release — is adjustable from 10 to 30 cycles per minute. At 30 cycles/min, 99,999 cycles completes in approximately 55.5 hours (just over 2 days); at 10 cycles/min, the same count takes approximately 166.7 hours (approximately 7 days).
The frequency range allows the test to be configured for the standard-specified frequency (where defined) or for an accelerated rate that shortens test duration within the limits of the brake mechanism's dynamic response.
The cycle counter is settable from 1 to 99,999. When the count reaches the set value, the machine stops automatically. The counter is the primary test control — EN 12527 / EN 12530 brake endurance tests are defined by cycle count, not by time.
The FH-JL16 supports multiple test fixtures, with the control system allowing any single fixture to be activated independently or all fixtures simultaneously — useful for:
Testing a single caster model in isolation
Testing multiple casters of the same model simultaneously for throughput (parallel identical tests)
Testing one caster on the engagement fixture while a second is on the release fixture for comparative testing
The product seat (the fixture that holds the caster during testing) is customized to the caster sample's geometry — not a universal adjustable clamp. This customization ensures the caster is held in its correct operating orientation throughout the test, preventing the mounting arrangement from introducing any extraneous load on the brake mechanism that would not be present in real use.
At 600×580×460mm and 150W, the FH-JL18 fits on a standard laboratory workbench — not a floor-standing machine requiring dedicated floor space. Its small footprint is consistent with the fact that brake life testing, while important, is a targeted test on one caster mechanism rather than a full-caster dynamic endurance test like the FH-JL18.
Specification | Details |
|---|---|
Caster size range | 50–250mm |
Maximum cycle count | 99,999 (auto-stop on completion) |
Cycle frequency | 10–30 times/min (adjustable) |
Maximum cylinder force | 200kg (adjustable) |
Brake force | Adjustable |
Mounting height adjustment | 100mm range |
Specification | Details |
|---|---|
Number of cylinders | 2 (1 × engage + 1 × release) |
Cylinder type | Pneumatic |
Position adjustment | Angle, front-back position — fully adjustable |
Maximum force per cylinder | 200kg |
Specification | Details |
|---|---|
Cycle count control | Timer-based |
Fixture activation | Single fixture or simultaneous (selectable) |
Auto-stop | On cycle count completion |
Product seat fixture | Customized to caster sample |
Specification | Details |
|---|---|
Dimensions (L×W×H) | 600 × 580 × 460mm |
Power supply | 220V, 50Hz, 150W |
Dual cylinders (engaged + release) is the specification that determines whether the test correctly represents real brake use. A single-cylinder machine with spring return tests the brake engagement mechanism accurately but tests the release mechanism only indirectly via spring behavior — which changes as the spring fatigues. Two cylinders means both engagement and release are always at the programmed force, regardless of what is happening to the brake's internal spring.
200kg maximum cylinder force covers the range of brake engagement forces for all caster categories in EN 12527 and EN 12530, including heavy-duty industrial casters where the brake engagement force specification is substantially higher than for furniture casters.
10–30 cycles/min provides both a standard-compliant test rate and an accelerated rate. At 30 cycles/min and 99,999 cycles, the test completes in approximately 2.3 days — practical for production qualification schedules.
Three-axis actuator adjustment (angle, front-back, height) is the mechanical flexibility specification that allows one machine to test the variety of brake actuation geometries on the market without retooling. This is more economically significant than it appears: a machine that requires a new fixture for each brake design accumulates fixture cost and lead time that a adjustable-actuator machine avoids.
The caster is placed in the customized product seat fixture, secured in the correct operating orientation. The mounting height is adjusted within the 100mm range to position the brake actuation point at the correct height for the actuator cylinders.
The brake actuator assembly is adjusted — angle set to match the brake pedal or lever actuation direction; front-back position set to locate the cylinder contact points correctly relative to the brake mechanism; engagement cylinder aligned to the engagement actuation point; release cylinder aligned to the release actuation point.
The engagement cylinder force and release cylinder force are set via the pressure regulator to the required test values (per EN 12530 specification or product-specific test requirement). Both forces are set independently.
The cycle frequency (10–30 cycles/min) and total cycle count (up to 99,999) are set on the timer control. Single-fixture or simultaneous operation is selected if multiple fixtures are installed.
The machine cycles: engagement cylinder actuates (brake engaged), dwells briefly, release cylinder actuates (brake released), dwells briefly — one complete cycle. The counter increments. The sequence repeats at the programmed frequency until the count reaches the set value.
The machine stops automatically at the set count. The caster is inspected for:
Brake engagement function — does the brake still hold the wheel when engaged?
Brake release function — does the brake fully release when released?
Brake holding force — measured against pre-test baseline per EN 12530
Actuation force change — is the engagement or release force required more or less than before?
Visible wear at hinge points, locking teeth, cam surfaces, and actuation pedal/lever
Spring condition and preload
The dual-cylinder design's primary benefit is testing both the engagement and release mechanisms at consistent, controlled force throughout the full 99,999 cycles — ensuring that degradation in either mechanism is detected as a function of cycle count, not masked by compensating changes in the other mechanism.
Brake Design Type | Adjustment Required |
|---|---|
Foot-step top brake | Engagement cylinder above pedal, vertical actuation angle |
Foot-step side brake | Engagement cylinder to the side, horizontal or angled actuation |
Lever-operated brake | Cylinder positioned at lever travel arc, angle matched to lever geometry |
Dual-pedal designs | Front-back offset to reach both pedals at correct spacing |
Without multi-axis adjustment, each brake design would require a separate fixture build. With the FH-JL18's adjustable actuator, fixture costs are limited to the custom product seat (specific to each caster mounting geometry), not to the actuation mechanism.
At 150W and benchtop size, the FH-JL16 can be installed in a production facility QC area or a compliance testing lab without dedicated electrical circuits or floor space allocation. Multiple units can be run simultaneously on a standard workbench power strip.
EN 12530 brake endurance requirements for most caster categories are in the 50,000–100,000 cycle range. The 99,999 maximum covers all published standard requirements with margin.
The choice between dual-cylinder and single-cylinder brake testers ultimately comes down to test validity. For formal EN 12530 or EN 12527 compliance testing, where the test report will be submitted to a certification body, both the engagement and release cycles must be performed at controlled, documented force levels. A single-cylinder tester with spring return does not meet this requirement because the release force is not a controlled parameter — it varies with spring condition and is not documented.
For informal, comparative internal testing where the goal is simply to cycle the brake to failure and count cycles, a single-cylinder machine may be adequate. For formal qualification and compliance, dual-cylinder with independently adjustable force on both cylinders is the correct specification.
If your product range includes multiple brake designs — top-step, side-step, lever — confirm that the tester's angular and positional adjustment range covers the full geometry of your design portfolio. The FH-JL16's three-axis adjustment (angle, front-back, height) covers the range of brake actuation geometries used in furniture and light industrial casters.
At 30 cycles/min (maximum), 99,999 cycles completes in approximately 55 hours (just over 2 days). If your qualification schedule requires completing a 99,999-cycle test within a single week, 30 cycles/min is the minimum required frequency. If the standard specifies a lower test frequency, the FH-JL16 accommodates that down to 10 cycles/min.
A medical equipment trolley caster manufacturer was receiving field reports of brake pedal fracture in service from facilities that used the trolleys frequently — estimated at 80,000–100,000 brake operations per year. Running FH-JL16 brake life tests on the production design at 200kg engagement force / 30 cycles/min, the hinge point of the brake pedal fractured at approximately 62,000 cycles — confirming the field failure mode and cycle count. The hinge wall thickness was increased; the subsequent FH-JL16 test ran to 99,999 cycles without fracture.
An office furniture caster supplier qualifying a new brake return spring material used the FH-JL16 to compare three spring wire grades at identical engagement force and cycle frequency. The spring made from the standard wire grade showed measurable preload loss starting at 40,000 cycles; the upgraded wire grade showed no measurable preload change at 99,999 cycles. The comparison data supported the engineering decision to specify the upgraded material.
A testing laboratory performing EN 12530 brake endurance qualification for a caster OEM used the FH-JL16's three-axis cylinder adjustment to test two different brake designs on the same machine — a top-step design on one fixture and a side-step design on a second fixture at the same time — completing both tests in one run rather than requiring sequential setups.
One cylinder controls brake engagement; the other controls brake release. A single-cylinder machine relies on the brake's internal spring to return to the released position — so the release force is not independently controlled and changes as the spring fatigues. Two cylinders ensure that both engagement and release are performed at consistent, controlled forces throughout all 99,999 cycles, as required for compliant EN 12530 brake endurance testing.
Casters from 50mm to 250mm in height. The adjustable actuator angle and position accommodates top-step, side-step, and lever-operated brake designs. The customized product seat fixture secures the caster in its correct operating orientation.
99,999 cycles. The machine stops automatically when this count is reached. For applications requiring more than 99,999 cycles, the counter can be reset and the test restarted on the same caster.
At maximum frequency of 30 cycles/min: approximately 55.5 hours (2.3 days). At minimum frequency of 10 cycles/min: approximately 166.7 hours (approximately 7 days).
Yes. Each cylinder has an independent pressure regulator, allowing the engagement force and release force to be set to different values — useful where the standard specifies different forces for the two actions, or where the brake design has asymmetric actuation forces by design.
The machine is designed for a customized product seat fixture specific to each caster model's mounting geometry. This fixture is manufactured to the sample geometry — please provide caster samples or dimensional drawings when ordering.
Yes, where multiple fixtures are installed. The control panel allows simultaneous activation of all fixtures or individual activation of any single fixture.
2-Ton Caster Walking Endurance Test Machine (FH-JL18) — dual-workstation rotating disc endurance tester for complete caster rolling durability per EN 12527 and GB/T 14688; the complementary machine to the FH-JL16's brake-specific testing
Caster Brake Holding Force Measurement Equipment — measures the force required to move a caster against its engaged brake; used before and after the FH-JL16 brake life test to quantify holding force retention
Caster Swivel Resistance and Starting Force Tester — measures swivel actuation force before and after endurance testing to quantify wear-related stiffness changes
Caster Static Load and Compression Test Equipment — structural integrity testing under sustained static load; complements the dynamic brake and rolling endurance tests
Feihong Machine (Dongguan Feihong Instrument and Equipment Co., Ltd.) designs and manufactures caster and wheel testing equipment for caster manufacturers, furniture OEMs, medical equipment manufacturers, and testing laboratories worldwide.
To get started:
Request a Quote — share your caster size range, brake type, target cycle count, and applicable standard
Request Technical Datasheet — full dimensional drawings and cylinder specification
Schedule a Demo — see the FH-JL16 run a live EN 12530 brake endurance cycle sequence on top-step and side-step brake designs
