What is a swing boom?
The primary purpose of boom swing is for offset digging around obstacles or along foundations, walls or forms. A secondary use is cycling in areas too narrow for cab rotation. Independent boom swing is one of the major advantages of a compact excavator over other excavation equipment.
What is a boom on a digger?
The boom is the angled arm that is attached to the excavator itself and the arm is pinned to the boom. The arm is sometimes called the dipper or stick. A knuckle boom can move right or left in line with the machine, unlike standard booms which can only move up or down.Aug 22, 2018
What is a slew digger?
Slewing refers to rotating the excavator's house assembly. Unlike a conventional backhoe, the operator can slew the entire house and workgroup upon the undercarriage for spoil placement.
What is a boom on a machine?
A type of aerial lift, boom lifts allow for both horizontal and vertical reach. They are a helpful piece of equipment for outdoor jobs, industrial tasks and construction projects. Boom lifts allow for a higher reach than scissor lifts but typically have a smaller work platform.Feb 6, 2020
What is JCB excavator?
JCB Excavators. The best-in-class range of JCB Excavators comprises heavy-duty Excavators that exhibit maximum performance, strength, efficiency and productivity. ... JCB also has an exclusive Quarry range of Excavator that's built specifically for Quarry and Mining applications.
What is a mass excavator?
Mass Excavators: Massively built, they allow the use of the largest buckets in the industry by weight class. These attachments are stoutly built for power, not reach.Mar 26, 2006
What are excavator booms made of?
The booms and arms of backhoes and excavators, since they need considerable tensile strength, are often made of low-alloy steels that have been heat-treated to get the needed tensile strength—50,000-100,000 psi—and toughness levels.Aug 1, 2016
What is the dipper arm on an excavator?
Attached to the end of the boom is the stick (or dipper arm). The stick provides the digging movement needed to pull the bucket through the ground. The stick length is optional depending whether reach (longer stick) or break-out power (shorter stick) is required.
What is a height limiter?
What is a height limiter? Height limiters are fitted to excavators to monitor the machine's position in relation to pre-set height limits, warning operators when these are approached and improving worksite safety.
How can you tell if a ring is Slew?
One of the most basic indicators of slewing ring bearing problems is the condition of the lubricant. If metal particles or flakes are apparent, some form of wear is taking place. Grinding, popping, or clicking noises from the bearing typically mean there is inadequate lubrication and/or excessive wear in the raceway.
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How much is a mini excavator?
A new mini excavator with a 10′ dig depth and 20 to 30 hp has an average cost between $30,000 and $40,000. A new mini excavator with a 12′ or deeper dig depth and 40-plus hp has an average cost around $60,000. Attachments have an additional cost, with add-ons such as buckets costing as much as $4,000.
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Why is it called a boom?
The word "boom" is the Dutch word for tree. German is similar: "baum." Remember "O Tannenbaum," a Christmas carol of German origin? From these roots, we get the word "beam" as in a long wooden timber, and of course, a part of a sailboat, the "boom," that holds the foot of the sail and was traditionally made of wood.Apr 28, 2014
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How safe is a boom lift?
When a boom lift is extended very high, the wind can pose a substantial safety concern. If the wind is strong enough, it can knock a boom lift over completely. One should avoid using boom lifts in extremely windy conditions or in other adverse weather to avoid the risk of a boom lift potentially falling over.Aug 17, 2018
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How high can a boom lift go?
The lift capacity of a boom lift will depend on the make, model and type. Telescopic boom lifts can reach greater heights than their articulating counterparts. While many models can safely lift personnel or equipment to a height of 130 feet, you can now purchase a telescopic boom lift with a capacity of up to 185 feet.
