Mast Chains

Utilized in different functions, leaf chains are regulated by ANSI. They could be used for forklift masts, as balancers between heads and counterweight in some machine tools, and for low-speed pulling and tension linkage. Leaf chains are occasionally also called Balance Chains.

Features and Construction

Constructed of a simple link plate and pin construction, steel leaf chains is identified by a number that refers to the pitch and the lacing of the links. The chains have certain features like for instance high tensile strength per section area, which allows the design of smaller machines. There are B- and A+ type chains in this particular series and both the BL6 and AL6 Series have the same pitch as RS60. Lastly, these chains cannot be driven utilizing sprockets.

Selection and Handling

In roller chains, the link plates have a higher fatigue resistance because of the compressive tension of press fits, yet the leaf chain just contains two outer press fit plates. On the leaf chain, the maximum acceptable tension is low and the tensile strength is high. While handling leaf chains it is important to check with the manufacturer's catalogue to be able to ensure the safety factor is outlined and use safety guards at all times. It is a good idea to carry out extreme caution and utilize extra safety guards in applications where the consequences of chain failure are severe.

Higher tensile strength is a direct correlation to the utilization of more plates. As the utilization of a lot more plates does not enhance the most acceptable tension directly, the number of plates could be restricted. The chains need frequent lubrication since the pins link directly on the plates, generating a really high bearing pressure. Using a SAE 30 or 40 machine oil is normally suggested for the majority of applications. If the chain is cycled more than 1000 times every day or if the chain speed is over 30m per minute, it would wear really rapidly, even with continuous lubrication. Therefore, in either of these situations the use of RS Roller Chains would be a lot more suitable.

AL type chains are only to be used under particular conditions like where there are no shock loads or when wear is not really a big issue. Make positive that the number of cycles does not exceed 100 daily. The BL-type would be better suited under other situations.

If a chain using a lower safety factor is selected then the stress load in components will become higher. If chains are used with corrosive elements, then they may become fatigued and break somewhat easily. Performing frequent maintenance is really vital when operating under these kinds of situations.

The type of end link of the chain, whether it is an outer link or inner link, determines the shape of the clevis. Clevis connectors or likewise called Clevis pins are constructed by manufacturers but often, the user provides the clevis. A wrongly made clevis could reduce the working life of the chain. The strands should be finished to length by the producer. Check the ANSI standard or phone the manufacturer.

Click to Download the pdf

Forklift Parts

Alternators

A device utilized in order to transform mechanical energy into electrical energy is known as an alternator. It could carry out this function in the form of an electric current. An AC electrical generator can in essence also be termed an alternator. Nevertheless, the word is usually used to refer to a rotating, small device driven by internal combustion engines....

More

---

Brakes

A brake drum is in which the friction is supplied by the brake shoes or brake pads. The pads or shoes press up against the rotating brake drum. There are a few various brake drums types with certain specific differences. A "break drum" will normally refer to if either pads or shoes press onto the interior outside of the drum....

More

---

Carriage Rollers

Carriage rollers are particularly designed bearings that are used on lift masts in order to help them perform within difficult environmental conditions. Lift masts are often subjected to shocks, oscillations, high dynamic and vibrations and static loads. This apparatus is often exposed to environmental influences such as dust, cold, heat, aggressive ambient air, moisture and contamination. Hence, the lift masts'...

More

---

Carriages and Carriage Parts

There are actually 4 sizes of hook type tine carriages rated by the fork carriage hoisting capacity. Hook type blade carriages have been the same. The carriage bar spacing used for Class 1 is about 13 inches and the Class 1 carriage is rated to hold cargo as much as 2000lbs. The Class 2 carriage is rated to hold cargo...

More

---

Control Valves

The first automatic control systems were being utilized over two thousand years ago. In Alexandria Egypt, the ancient Ktesibios water clock constructed in the third century is thought to be the first feedback control tool on record. This clock kept time by means of regulating the water level inside a vessel and the water flow from the vessel. A popular...

More

---

Controllers

Forklifts are accessible in various load capacities and several units. Most lift trucks in a typical warehouse setting have load capacities between 1-5 tons. Larger scale models are used for heavier loads, like for instance loading shipping containers, may have up to 50 tons lift capacity. The operator can utilize a control so as to lower and raise the blades,...

More

---

Differentials

A mechanical machine capable of transmitting torque and rotation through three shafts is referred to as a differential. Every so often but not at all times the differential would utilize gears and would operate in two ways: in vehicles, it receives one input and provides two outputs. The other way a differential works is to combine two inputs to produce...

More

---

Drive Axles

The piece of equipment that is elastically affixed to the frame of the vehicle with a lift mast is the lift truck drive axle. The lift mast attaches to the drive axle and could be inclined, by at the very least one tilting cylinder, round the drive axle's axial centerline. Forward bearing components combined with back bearing elements of a...

More

---