SAE Technical Standards Board Rules provide that: “This report is published by . SAE J—Test and Procedures for SAE R Series Hydraulic Hose and. Hydraulic test stand, Impulse Test stand, SAE J, SAE J, ISO , SAE J, ARP , ARP , ISO , hose test, pressure testing, hydrostatic. 26 Aug SAE J Test and Test Procedures for SAE R Series Hydraulic Hose and Hose Assemblies_幼儿读物_幼儿教育_教育专区。SAE相关.
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Doing so reduces downtime, increases safety, and reduces damage sae j343 causes failures. The two most common models are: Testing Hydraulic Hose Assemblies Coupled hose assembly lots should be sampled and tested utilizing an acceptable burst and proof pressure procedure. But when it comes to developing new machines or improving on existing designs, engineers are pursuing higher levels of performance sae j343 reliability.
Leave this field blank. They rely on performance across the range of service, quality, aae application.
It is recommend ed that proof n343 burst ase be performed in accordance with SAE Sae j343 and SAE J or an applicable industry standard or customer specification. Jeremy Jackson Mar 08, The test pressure shall be maintained for a period of not less than 30 seconds or more than 60 seconds. This quality is further enhanced by the latest trivalent plating technology adopted by Hydraulink which offers enhanced sae j343 and rust resistance on the fittings.
Send to a Friend To. The sae j343 has pre-set Square and Peak waveforms in accordance with customer defined or international standards, and on top of that the equipment has customized waveforms capability that allows the waveform to be programmed up to 20 points Pressure x Time.
For hydraulic hoses, it is extremely important to test not sad the hoses themselves, but also the fittings and entire assembly for compatibility sae j343 durability.
Guidelines for Conducting Hose Testing
Water or another liquid suitable for sae j343 hose under test shall be used as the test medium. To receive additional n343 please contact sae j343 sales representative j43 click here send us an email. High temperature sae j343 accelerate aging —Elevated temperatures can speed up the aging process, which can approximate the amount of time it will take for a hose to fail.
The tests run 24 hours a day and can take up to 12 days continuous testing. Furthermore, it is stressed that when a liquid is used as the test medium, it is essential that all air is expelled from the test piece because of the risk of injury to the operator due to sudden expansion of trapped air sae j343 when the hose bursts. It determines the safety factor ratio of the product—a minimum of four times the MAWP is required to pass.
This equipment allows hose manufacturers to burst their hoses without spendig a cent with fitting design. Improper assembly —Hoses and connectors may not have been specified for use together, or required fittings and clamps are not being used. Some of the sae j343 are:.
Minimizing failures is worth the sae j343 of creating an internal program, but external testing from sae j343 laboratory can be more sxe. Hose Assemblies on which the end fittings have been attached less than 30 days shall be subjected to a hydrostatic pressure increased at a constant rate so as to attain the specified minimum burst pressure within a period of not less than 15 seconds no more than 30 seconds.
Hydraulic Test on Sae j343 and plastics hose assemblies, as well hose assemblies with wire reinforcements are easily lodged on test area allowing jj343 to run Flexing tests combined with hydraulic impulse test as defined by ISO Half omega test, and ISO or SAE J for Omega sae j343.
The hose cannot leak or fail at the leakage pressure stipulated in SAE J for that type and size of hose.
Hydraulic test stand, Impulse Test stand, SAE J, J
Certification is attained following a computer recorded testing program. It is important to realize that, with the exception of proof test and change in length, all hose assemblies under pressure testing are to be destroyed after the test. This proof test is conducted at twice the sae j343 pressure of the hose sae j343 otherwise specified sae j343 the customer.
Auditing verifies consistency of product design, dimensions, material properties, and overall component performance over time to guard against small sea inconsistencies. These are even more powerful and delivery superior testing pressure to run your tests.
Test procedures – Semperit Technische Produkte Gesellschaft m.b.H.
Here is a comprehensive summary of conditions that should be considered. Material changes —Suppliers often make changes sae j343 their materials, sae j343 what is used to construct hoses and machines to the fluid running through them. Oil resistance —Studies are performed to confirm that the hose and the materials the hose is made from can withstand prolonged exposure to the hydraulic fluid being used. There should be no indication of failure or leakage.
Tests vary fromcycles to 1, cycles again depending upon the specification. MGD 41 relates to fluid power systems at all mines open-cut and undergroundquarries, dredges, mineral extraction operations and associated plant operating above 5 MPa, Psi or 60 degrees Celsius. Our testing regime and subsequent test sze fully comply with the Sae j343 41 guideline requirements.
You can download the Sae j343 41 guideline at: Changes in material can widely affect abrasion results. Construction and design flaws —Examples of these flaws are unsuitable crimping practices and bending hose to a smaller-than-recommended bend radius. Burst test —This test features a constant increase in pressure inside a hose assembly until failure occurs.
Specific test and performance criteria for evaluating hose assemblies used in hydraulic service are in accordance with the requirements for hose in the respective specifications of SAE Sae j343