Q355B Mini Excavator Long Reach , 20m Arm Construction Equipment Parts Dipper Arm Excavator

Q355B Mini Excavator Long Reach , 20m Arm Construction Equipment Parts

1. Material: the material of the big and small arms is Shaogang q355b, the iron pipe on the arm is national standard cold drawn seamless pipe, the pin shaft is 40Cr, the high-pressure hose is a joint-venture pipe with 4 layers of steel rings, the grease pipe is a single-layer hose, and the bushing driven into the base of the boom is graphite alloy copper sleeve.

2. Configuration: one set of big and small arms, six pin shafts, four high-pressure hoses, three grease pipes, one set of connecting rod assembly, one bucket cylinder and one bucket.

3. Product advantages: plasma cutting, machine milling, robot welding, boring after welding, assembly line production operation, and better quality assurance. It can be customized according to the working conditions to meet the construction needs of different users. The opening angle of the large and small arms can reach 163 degrees, and the excavation radius and height are larger.

4. Working conditions applicable to the lengthening arm: Municipal Engineering, subway construction, river dredging, reservoir cleaning and other water conservancy projects.

Advantages:

Usually use 40GP container to load product !

Q1: Why not have boom and stick cylinders in the plan?

A1: First, the whole long arm is lengthening, but the boom just lengthening from its middel sleeve to its end, so the original boom and stick cylinder can be used. Second, using the original parts can save your cost.

Q2: How long is the boom arm can min excavator be be configured with? Whether it is necessary to increase the counterweight?

A2. Generally speaking, 30-40 excavator longest arm suggests to be 8 meters, can configure 0.1 cbm bucket, no need extra counterweight. 55 excavator longest arm suggests to be 12 meters, can configure 0.1-0.15 cbm bucket, need 0.5 ton extra counterweight. 60-80 excavator longest arm suggests to be 12 meters, can configure 0.15-0.25 cbm bucket, need 0.5-0.7 ton extra counterweight.
It is not recommended to extend boom arm to longest length as min excavator is easy to sloshing.

Q3: How long will it takes to install a excavator long reach boom?

It depends on the installer and machine size.
Usually disconnect the original boom arm, stick cylinder, then pin the new one is okay.
Kindly remind, prepare several containers to fill the oil before disassemble.

Contact sophia to inquiry details !

Esteblished in 2018, Kaiping Zhonghe Machinery Manufacturing Co., Ltd.，manufacturing and trading combo, specializes in customizing different kinds of excavator boom arm and attachments,Our main product as below:

-Excavator Long Boom
-Excavator Telescopic Arm
-Excavator Sliding arm
-Pile Driving Arm
-High Reach Demolition
-Excavator Tunnel Arm
-Heavy Duty Rock Arm
-Excavator Tilt Bucket
-Excavator Hydraulic Grapple

, which is sell well in more than 40 countries and areas.

Located in Cuishanhu New District, Kaiping City, Jiangmen City, Guangdong Province, China, we has more than 14000㎡ steel structure standardization workshop with a large number of high precision processing equipment as well as a strong and cohesive team. At present, there are more that 60 experienced technical staffs, 30 welding workers with over 7 years experience, 15 senior designers and a high-tech R&D team.

Double-sided boring machine: Double-sided boring machine, improves accuracy and consistency: It is mainly responsible for the post-welding boring of the boom arm and bucket to ensure the accuracy of the arm. Since the boring pin operations on both sides of the double-sided boring machine are carried out simultaneously, the processing accuracy and consistency of both sides can be guaranteed.

Our annual output of various types of excavator boom arms can reach 600 sets. We supply products at customer's model with high quality, moderate price, quick response and appropriate warranty.

We adhere" Merit Quality, Sincerity Management and Customer Satisfaction", honestly greet customers from home and abroad to negotiate and cooperate with us.

Welcome inquiry! 

Contact Sales Manager Sophia!

Wechat： 18127591702
whatsapp: +86 18127591702
Email：sophia@excavatorboomarm.com