GILSON – LA Abrasion Machine
Standard Method : ASTM C131, C535; AASHTO T 96
– Electronic safety interlocks allow operation only with doors secured.
– Powerful 1hp motor rotates drum through slip-clutch protected chain drive.
– Enclosure lined with sound attenuating foam.
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GILSON – LA Abrasion Machine
The Los Angeles Abrasion test is widely used as an indicator of relative quality of aggregates. Test measures degradation of standard gradings of aggregates when subjected to abrasion and impact, in a rotating steel drum containing an abrasive charge of steel balls. Up to twelve balls are used, depending on gradation of test sample..Gilson’s design has built-in safety features with user controls on the outside of the integral sound enclosure. An electrical interlock allows the machine to operate only when the double-hinged lid is closed and a safety key is inserted. Drum is positioned for loading and unloading using a jog button while watching through a viewing window in the enclosure. Sound is absorbed by the heavy, painted steel enclosure with sound attenuating foam and membrane lining.
The 0.5in (12.7mm) thick welded steel drum has 28in (711mm) ID and 20in (508mm) inside width, and is mounted on a rigid welded steel support frame. The 6in (152mm) wide opening for introducing and discharging sample has a bolted cover which fits flush with inside contour of drum when tightened securely with a dust-tight gasket. A 3.5in (89mm) wide steel shelf, per ASTM’s “preferred design extends the full length of the drum interior. The shelf thickness is 1in (25mm) and is attached securely to the drum using fine 0.75in (19mm) x 1.5in (37.5mm) long bolts, providing a firm and rigid shelf that is also easily removed for replacement or maintenance.
A 1hp electronically controlled gear-motor rotates the drum at 30 – 33rpm via enclosed chain drive. Drum assembly rotates in flanged ball bearings with dust seals and grease fittings. Controller console with overload protection has large JOG and On/Off push button controls, and automatic counter stops rotation after a preset number of revolutions. Abrasive charge of twelve hardened steel balls 1.81-1.88in (46-48mm) in diameter and 390-445 grams are included. Heavy-duty catch pan measures 24 x 26 x 2.5in (610 x 660 x 63 mm), WxDxH. Product Dimensions : 38 x 40 x 46.5 in (965 x 1,016 x 1,181mm), WxDxH.
GILSON – LA Abrasion Machine
Part Number |
GILSON – Los Angeles Abrasion Machine |
HM-70A |
Los Angeles Abrasion Machine 220V/60Hz, 1 phase |
HM-70AF |
Los Angeles Abrasion Machine 230V/50Hz, 1 phase |
Part Number |
Accessories |
HMA-130 |
Abrasive Charge, set of 12 Balls |
HMA-131 |
Catch-Pan |
HMA-132 |
Replacement Steel Shelf |
HMA-132WR |
Wear-Resistant Steel Shelf |
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GILSON – LA Abrasion Machine
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Los Angeles Abrasion Machine
Standard Method : ASTM C131, C535; AASHTO T96
The Los Angeles abrasion machine is used to measure the degradation of mineral aggregate of standard gradings resulting from a combination of actions including abrasion or attrition, impact and grinding in a rotating steel drum containing a specified number of steel spheres.
The test is widely used as an indicator of the relative quality of various sources of aggregate having similar mineral compositions.
Humboldt’s design follows the ASTM-preferred design and features a welded, structural-steel frame, fabricated .5″-thick (913mm) abrasionresistant steel drum, a removable shelf, bolted to the drum and a balanced drum assembly for easy rotation by hand.
The enclosed chain drive rotates the drum without a conventional slip clutch.
This positive drive delivers greater accuracy.
The selfcontained worm-drive motorized speed reducer has anti-friction bearings and sealed lubrication.
The 1hp, electronically-controlled motor is equipped with large, push-button controls and anautomatic overload cutout.
The controls can be removed from the Abrasion Machine and mounted outside a sound enclosure or mounted on a nearby wall.
Unit includes user-configured, revolution counter, a material catch pan and one abrasion charge consisting of 12 hardened-steel balls.
Dimensions: 39″ x 29″ x 37″ (991 x 737 x 940mm).
Part Number |
HUMBOLDT – Los Angeles Abrasion Machine |
H-3860D |
LA Abrasion Machine, 120V 60Hz |
H-3860D.2F |
LA Abrasion Machine, 220V 60Hz |
H-3860D.5F |
LA Abrasion Machine, 220V 50Hz |
The LA abrasion machine is used to measure the degradation of mineral aggregate of standard gradings resulting from a combination of actions including abrasion or attrition, impact and grinding in a rotating steel drum containing a specified number of steel spheres. The test is widely used as an indicator of the relative quality of various sources of aggregate having similar mineral compositions.
Humboldt’s design follows the ASTM-preferred design:
Features a welded, structural-steel frame, fabricated .5″-thick (913mm) abrasion-resistant steel drum, a removable shelf, bolted to the drum and a balanced drum assembly for easy rotation by hand.
The enclosed chain drive rotates the drum without a conventional slip clutch. This positive drive delivers greater testing accuracy.
The self-contained worm-drive, motorized speed reducer has anti-friction bearings and sealed lubrication.
The 1hp, electronically-controlled motor is equipped with large, push-button controls and an automatic overload cutoff.
The controls can be removed from the Abrasion Machine and mounted outside a sound enclosure or mounted on a nearby wall. Unit includes user-configured, revolution counter, a material catch pan and one abrasion charge consisting of 12 hardened-steel balls. Dimensions: 39″ x 29″ x 37″ (991 x 737 x 940mm).
Abrasion Charge
Standard Method : ASTM C131, C535; AASHTO T96
Replacement abrasive charge for H-3860 Los Angeles abrasion machine. Consists of 12 hardened-steel balls.
Abrasion Charge_________H-3865
Materials Catch Pan for LA Abrasion
Replacement pan for use with LA abrasion machine.
Dimensions: 24″ x 24″ x 4″ (609 x 609 x 101mm), tapered sides.
Materials Pan for LA Abrasion_________H-3860.19
Sound Enclosure for LA Abrasion Machine
Full enclosure designed to cut down on noise generated while using the LA abrasion machine.
Unit is steel construction with foam lining for noise reduction. Pre-drilled holes accommodate mounting controller on outside of enclosure.
Sound Enclosure for LA Abrasion_________H-3860.100
PT. Mora Anugerah Berkat adalah perusahaan alat sipil laboratory equipment yang sudah berpengalaman menjual/mensupply ke seluruh indonesia, diantaranya GILSON – LA Abrasion Machine, kami menyediakan berbagai Brand dunia seperti Matest, Humboldt, Forney, Gilson dan lain-lain,kami juga menyediakan Jasa Perawatan (Maintenance),Jasa Perbaikan (Sevice) dan membantu Kalibrasi (Calibration) jangan ragu untuk informasi,pertanyaan dan pemesanan silahkan hubungi kami di :
GILSON – LA Abrasion Machine