16m High Reach Demolition Attachment for JS235 for Enland Customer

After several rounds of negotiation in past 3 months, in Oct. 2014, customer decided to buy the 16m high reach demolition attachment for their JS235 excavator, and they have a special requirement that is they want to exchange demolition with standard boom arm quickly, we design a coupling boom that is part of demolition boom, and it is also a part of standard boom,

16m high reach demolition attachment

16m demolition attachment

For more information, pls visit our website: http://www.longreachboom.com

60-90 percentage new excavator best for installing long reach boom arm

60-90% new excavator is best  for installing long reach boom arm

From the customer point of view, we generally do not recommend the new purchase of excavators modified to Long Reach Boom Arm over the warranty period because of the new purchase of excavators did not back to the machine agents easily,

we also don’t recommend 50% new excavator to modify to long reach system, because the machine useful life is coming to a status of all aspects of performance loss, especially the hydraulic system. it is not worthy to invest on the old machine

For more information, pls visit our website: http://www.longreachboom.com

Help you to read caterpillar excavator model

Regarding the Famous excavator model letter, I believe that many people have less understanding what is indicate , in fact the model letter has specific meaning, to understand these numbers and letters that can help us to understand excavator important parameter, here we Caterpillar as example

For more pls visit http://www.longreachboom.com

How to choose hydraulic breaker for excavator

In order for hydraulic breaker ‘s performance efficiency, extend the life , usually it should be consider the excvator specification and breaker ‘s output flow in back-up valve and pressure, etc

To Match of hydraulic breaker and excavator
it can be calculated by below formula

0.3 ≤ R · Wb / S · We ≤ 0.5

R – maximum breaking radius (mm)

S – half of the excavator track (mm)

Wb – breaker weight (kg)

We – Excavator Weight (kg)

On the calculated ratio is less than 0.3, that mean the breaker you choose is smaller, the breaker can easily be damaged; if the ratio is greater than 0.5, that mean breaker is bigger

In addition, we also consider the size of the connection between the breaker and excavator working device, and coordination of the hole, appropriate shaft ;hydraulic breaker required flow and pressure must be consistent with Excavator spare valve output flow and pressure

For more information, pls visit our website: http://www.longreachboom.com

ZX450 24M demolition boom ship to Kazakhstan

In April 2012, we have been designed and produced 24M Demolition Excavator booms for ZX450, and shipped to Kazakhstan customer, the boom was two section for better transportation, the High Reach Demolition Front can reach around 23m high, that mean it can demolition 7-stories building, for secure consideration, we suggest it demolition 5-6 stories building, because as known that it is not secure if demolition machine too close to building, the falls may hurt machine and human, along with this demo order, we help buying the Mantovanibenne MCP concrete crusher, until now we have not receive any problem from client for this order, below are some pictures of our demolition boom arm

ZX450 demolition arm

ZX450 Demolition boom

Mantovanibenne MCP Crusher

For more information, pls visit our website: http://www.longreachboom.com

Excavator Bucket teeth manufacturing process

As we all know, excavator bucket teeth are wearing parts, and necessity of construction machinery,high quality bucket teeth tend to bring greater benefits, here we together to learn the manufacturing processes of bucket teeth.

In general there are three manufacturing process of bucket teeth: sand casting, forging and casting, precision casting, what is their advantages and differences between them?

Forging Casting: Highest cost and quality of bucket teeth is the best.

Precision Casting: moderate cost, but very stringent requirement for the raw material , high technology process, Some precision casting bucket teeth even better than the quality of forging casting bucket teeth due to its abrasion resistance and ingredients. Now on the market, Precision casting are mainstream manufacturing process

For more information, pls visit our website: http://www.longreachboom.com

24m Excavator Long Boom Arm shipped to India

 In Oct. 2012 we manufactured two sets of 24m Excavator Long Boom Arm for PC300-7 and it has been shipped to a Indian customer,

  In general,we configure 18m Long Reach Boom Stick for 30ton excavator model, but we can make longer boom arm through adding counterweight on rear of excavator if customer's project has requirement, so for 24m long reach booms, 3ton counterweight, bucket capacity is 0.4 cubic meters.

  After several months, we are glad to hear that our customer became first company in their area for long distanse dredging and deep digging, they get many jobs on advantage of the super long reach excavator,  we are pleased to hear this good news,

  In next a few months, another buyer from india has saw our product performance, they bought a 15.4 m long reach boom arm for their Hyundai R220-7

From Victory Construction Equipments. Co. Ltd

24m long boom arm for pc300-7

24m long reach boom for PC300-7

For more information, pls visit our website: http://www.longreachboom.com

22M Long Reach Excavator Boom Arm shipped to UK

In Jan. 2013, we have received a order from a UK client, their business is  Heavy machinery hire, after several weeks negociation, they decide to buy 22m Long Reah Excavator Boom for their ZX350 excavator,

client also needs 100sets teeth and adaptors, we as a bucket supplier, we have reliable supplier of teeth & adaptors,

we took three weeks to finished the 22m long boom arm and arrange shippment to client side, below are some pictures of long reach boom arm

Teeth & Adaptors

22m Long Reach Boom Arm

Loading of Excavator long reach boom arm

For more information, pls visit our website: http://www.longreachboom.com

Excavator Bucket teeth stress analysis

Stress Analysis: bucket teeth face with the excavated material, different process stage with different force. When the the tooth point First contact with the surface of the material, the faster bucket tooth in part by the strong impact. Tooth yield strength is low, it will be plastically deformed at the tip. With the increase digging depth, bucket teeth to force the situation will change.

Relative motion occurs when cutting materials bucket teeth, bucket teeth and materials, great squeeze pressure at the surface, and thus produce greater friction between the face and material bucket teeth. If the material is harder rock blocks, concrete, friction will be great. The results of this process is repeated the role in fighting tooth face produce different degrees of surface wear, and produce greater depth of the furrows.

Face positive pressure was significantly greater than the face, the front face serious wear and tear, can be judged positive pressure and friction is fighting tooth failure external mechanical factors play a major role in the failure process

For more information, pls visit our website: http://www.longreachboom.com

Make Excavator Standard bucket firm and durable

Most excavator owner want their excavator bucket more durable and firm, but do you know the bucket structure and how to make it perform better during work? , accually that is not very hard to understand, if we want your excavator bucket more wearable, we can imagine which plate abrasing a lot when bucket do digging or loading work, or we can say which parts of excavator bucket contact material mostly, if we reinforce these wearing plates, the bucket can be more druable ? the answer is Yes,

on account of many years experience, we find out that the cutting edge, side plate, and bucket back surface abrase more than other part for the bucket, and we find out these plates wear out first during work. so as a professional bucket supplier, we care a lot about quality and excavator bucket work efficience, from above picture you can find out we add wear plates on bucket side and bucket back,and we use thicker cutting edge, to make bucket firm and avoid of deformation after undertake high strength, we add fitting gussets on bucket top and bottom.

In order to reduce bucket abrasion and improve excavator bucket working efficiency, we design excavator front cutting part wider than rear part of bucket, that can highly reduce abrasion on rear of bucket, and make your bucket use longer time.

Intact shell plate: as to the shell plate, we find out completely intact plate is neccssory for making bucket firm and avoid of deformation, so we use curved intact shell plate, the curved shape made by bending machine

Triangle structure: on the should of the bucket, it is key part to connect bucket and mounting plates, triangle structure is best shape to make it firm and avoide of deformation

For more information, pls visit our website: http://www.longreachboom.com

CAT330LN 16M long reach boom arm for Slovak client

In Autumn of 2013, we received a order from Slovak, which is first order from this country and we are sure this will be a good beginning to slovak market,

As to the model CAT330LN is unusual model in china, we searched all document, unfortunately we did not find mounting dimension. we have to ask customer for help, and we are appreciated for client assisting us one the mounting dimension.

We took 30 days (include 10days for national holiday) to finish this 16MLong Reach Boom Arm for CAT330LN

Above are some pictures of finished product in our factory.

For more information, pls visit our website: http://www.longreachboom.com

How to inspect long reach boom arm for excavator

when you get excavator long reach front in hand, we will have a impression from outlook, do you know how to it's good or bad quality?  we list some help tips for you reference. 



1 Reasonable structure excavator long reach front are designed on base of lever principle and stress analysis, it is wise and reasonable to reinforce some critical areas, such as hinges, and you can see multi-plate or gussets welded on these areas. most supplier designed stiffener plate inside of boom arm that play a important role for distribute stress and increase product lifetime.

2, Material used for boom arm: with many years of experiences of making long front,we think a kind of at least 350 Mpa steel is needed, and sometimes  higher strength material is required for big machine.

3, check welding, good welding line is evenly, 1-2cm high, and before welding,  bevelling steel plate that can increase welding area

4,paiting, good painting can protect steel from quick rusting that will extend product lifetime, it is also necessary to repaint if painting scratched during transportation.

5,Pin Hole: make sure pin hole is concentric circle, perpendicular to boom left and right size plates.

6,Hydraulic pipeline: all pipeline are absolutely clean and there is dust cap on pipe ends.

From www.longreachboom.com

How to select long reach boom arm for excavator

Excavator with standard boom arm used to dig trench, hole and foundation or to handle material, standard excavator perform well in these project, as you know, for some special project like river dredging, deep foundations, standard boom arm are unable to reach so long distance, you may think a longer boom arm is helpful here, actually, many excavator owners has sets of boom arm options: original standard boom arm, long reach excavator boom arm, 

so how many meters long reach boom arm suitable for your excavator? as you know excavator is a complicated lever, first you should know your excavator operate weight that is key factor to decide long reach boom length and load weight, with our  several years of experiences of making excavator long reach boom arm, we make below parameter figure for your reference. 

if you want a bigger bucket, you can add counterweight or choose shorter long booom arm, please E-mail us for special long reach configuration, we will provide suitable solution for your excavator, and if your excavator operating weight is not listed in below table, please contact us, we will calculate and suggest suitable long boom arm length for your excavator, our website http://www.longreachboom.com 

Technical Parameter For Long Reach Boom arm
Excavator Operating Weight(Ton) Parameter	12T	20T	22T	30T	35T	40T	45T
Total Length of Boom&Arm	13000	153800	153800	18000	20000	22000	24000
Weight(KG)	3000	4000	4200	5200	6000	6500	7000
Bucket capacity(M3)	0.3	0.4	0.4	0.4	0.5	0.6	0.6
C Max. Digging Height(mm)	11300	12510	12610	13720	14920	16100	17300
A Max. Forward Reach (mm)	12500	15100	15100	17600	19600	21600	23600
B Max. Digging Depth(mm)	9000	113400	11370	13000	15000	16500	18000
D Overall Height(mm)	2900	2980	3040	3210	3210	3400	3400