Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Abrasion Machine
Resistance to Degradation of Small-Size Coarse Aggregate by Abrasion and Impact in the Los Angeles Abrasion Machine
Los Angeles testing Machine
Purpose:
DM-II digital display Los Angeles Abrasion tester is used to measure the wear rate of stone. II. Structure:
The machine mainly consists of cylinder, shelf, sealing cover, bracket, gearbox, motor, hopper and counter.
Technical parameters
1. Cylinder Internal Diameter x Length=(719+5)mm x(510+5)mm
2. Speed: 30-33 rpm
3. Working Voltage: AC380V OR AC220V
4. Counter: 5 bits (automatic display, preset)
5. Steel ball: diameter 50mm (1) 47.5mm (7) 44.5mm (3) 42.8mm (1) total weight: 5000g +50g
6. Characteristic: Transmission by variable speed motor
Fourth, the method of use:
1. Before the test, it is necessary to check whether the circuit is in good condition and adjust the counter to zero.
2. Install the crushed stone and steel balls in the cylinder, seal them well, tighten the screw, turn the instrument 500 revolutions and stop, take out the sample.
3. Use 2MM round-hole sieve and 2.6MM square-hole sieve with side length to sift out the stone debris in the sample, wash the gravel left on the sieve with water and dry, weigh and weigh accurately.
5. Calculating methods:
1. According to the following calculation, the stone wear rate is accurate to 0.1%.
Q mill= (G1-G2) divided by G1*100%
Q grinding - - - the wear rate of stone
G1 - ----- The original weight of the crushed stones loaded into the cylinder:
G2 - - - After the test, the weight after washing and drying:g
2. The test results are the average of the two tests and the error of the two tests is not more than 2%. Otherwise, it needs to be re-tested.
6. Attachment:
1. One certificate for each specification.
2. 12 steel balls.
1. Installation and training:
a. If buyers visit our factory and check the machine, we will teach you how to installand use the machine, and also train your workers/technician face to face.
b.Without visiting, we will send you user manual and video to teach you to install and operate.
c.If buyer needs our technician to go to your local factory, please arrange board and lodging and other necessary things.
d.We will give your professional guidance (Product introduction and operation manual) together with product .
2. After Service:
a.One year guarantee for whole machine.
b.24 hours technical support by email
c.If there is any problem found of the machine, we will repair it for free in one year.
d.Honesty to working for you, after or before sale with our patient and sincerit
Frequently Asked Question:
Q1.Are you trade company or factory?
A:We are trade company but we also have own factories. Building trade company is just for exporting various types of concrete mould and others products.
Q2. How to visit your company
1. Fly to Beijing airport: By high speed train from Beijing Nan to Cangzhou Xi (1 hour),then we can pick up you.
2. Fly to ShangHai Airport: By high speed train from Shanghai Hongqiao to Cangzhou Xi(4.5 hours), then we can pick you up.
Q3:After an order is placed, when to deliver?
A:Generally about 7-20days, If we have inventory, we can arrange shipment within 3 days.
Please be aware that our production lead times depend on specific items and item quantities.
Q4:What about the warranty with after - sales services?
A:, We can help you repair your equipment freely.,even it's not from our factory. After the warranty, the professional after-sale service team will provide perfect technical support and help guests solve problems encountered while using our product, handles guest problems and complaints in a professional and timely.
Q5:What about the product' services and quality?
A:Each instruments must be carried out 100% quality examination and test when shipping and delivery goods. Product use training, each of our product provide video training to show you how to install & operate. We can arrange engineer to train the operation of equipment to customer's company when you need. Products are widely recognized and trusted by users.
Our company can also produce the customized testing machines as clients' requirements.
Best service and the best price for you.
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- Step 2Contact the supplier by clicking ”Enquire” or “request meeting” button, otherwise, you also could consult our import consultant.
- Step 3After verifying your email, get response from suppliers or our trade manager will contact you as soon as possible
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