HOB/HOD Heavy Rod Hydraulic Cylinder

HOB/HOD Heavy Rod Hydraulic Cylinder

HOB heavy rod hydraulic cylinder is a double-acting cylinder; the front and back cylinder heads are connected by four screw rods, disassembly, and maintenance, often used in mold and packaging machinery industries. Standard HOB heavy rod hydraulic cylinder, the use of pressure 14Mpa, test pressure 21Mpa, because the pressure is a medium-high pressure, the strength of each part of the cylinder is sufficient.Product Performance And Characteristics:1. Grease-free: The product uses oil-containing self-lubricating bearings so that the piston rod does not need to be lubricated;2. Adjustable Buffer: The cylinder terminal is also equipped with an adjustable buffer, which is stable and has no impact when the cylinder is reversed (customers need to order special instructions from the company);3. Variety Of Installation Forms: A variety of installation accessories for customers to choose according to use requirements;4. High-temperature Resistance: High-temperature resistant sealing material can be used to make the cylinder work typically under high-temperature conditions of 180°C (customers need to order special instructions from the company);5. Magnetic: The cylinder piston is equipped with a permanent magnet, which can trigger the induction switch installed on the cylinder to sense the moving position of the cylinder (customers need to order special instructions from the company);6. Stroke adjustability: The piston rod end is equipped with an adjustable nut, which makes the cylinder flexible within its stroke range (thrust F1= pull F2);7. Derivative Diversity: Diversified non-standard products can be derived based on the original to suit the various use requirements of customers.

HOB/HOD Heavy Rod Hydraulic Cylinder Parameter:

（1）Standard Heavy Rod Hydraulic Cylinder

（2） FA Front Flange Type Heavy Rod Hydraulic Cylinder

（3）FB Rear Flange Type Heavy Rod Hydraulic Cylinder

（4）TA Front Trunnion Type Heavy Rod Hydraulic Cylinder

（5）TC Middle Trunnion Type Heavy Rod Hydraulic Cylinder

（6）LA Left And Right Foot Type Heavy Rod Hydraulic Cylinder

（7）LB Front And Back Foot Type Heavy Rod Hydraulic Cylinder

（8）CA Monaural Type Heavy Rod Hydraulic Cylinder

（9) Biaxial Type Heavy Rod Hydraulic Cylinder

(10) CA Monaural Type Phs Fisheye Connector Heavy Rod Hydraulic Cylinder

(11) CA Monaural Type Gksk Joint Earring Connector Heavy Rod Hydraulic Cylinder

(12) CA Monaural Type Y Connector Heavy Rod Hydraulic Cylinder

(13) Standard Biaxial Type Heavy Rod Hydraulic Cylinder

(14) Biaxial Type With Adjustable Nuts Heavy Rod Hydraulic Cylinder

(15) FA Double Shaft Front Flange Type Heavy Rod Hydraulic Cylinder

HOB Heavy Rod Hydraulic Cylinder Model Description:

HOBD-63/35*100+LB+YHOB -- Type: HOB= standard HOD= biaxial typeD-- Buffer type: No mark = no D= bilateral F= front cover side B= rear cover side63-- Cylinder diameter: Φ40, Φ50, Φ63, Φ80, Φ100, Φ125, Φ150, Φ180, Φ20035-- Rod diameter:Axis standard: Φ25, Φ30, Φ35, Φ40, Φ50, Φ60, Φ80, Φ100, Φ100Maximum axis: -Φ35, Φ40, Φ50, Φ60, Φ80, Φ100, Φ120, Φ120Buffer axis standard: Φ18, Φ25, Φ30, Φ40, Φ50, Φ60, Φ80, Φ100, Φ100Unmarked: Standard axis100-- Itinerary:Standard Travel (mm): 50,100,510,200,250,300,350,400,450,500,600,700,800,900,1000LB-- Cylinder Block Fixing Mode: FA= front flange type FB= back flange type LB= foot seat type TC= transom type LA= foot seat type CA= single ear type CB= Double ear type CBP CB with PIN CAB CA+P+CBY-- Axis Fixed Mode: Y=Y type joint YP=Y with PIN I=I type joint KG= floating joint PHS= fisheye joint T=T type joint H= welded sleeve joint A= adjustable nut

HOB Heavy Rod Hydraulic Cylinder Characteristics:

HOB Heavy Rod Hydraulic Cylinder Composition:

The HOB heavy-duty tie rod hydraulic cylinder consists of a press plate, front cylinder head, rear cylinder head, piston, cylinder, piston rod, 4 screw rods, 8 locking nuts and gaskets, 1 piston locking nut and gasket, 1 piston rod end matching locking nut, a full set of seals, rod end protective sleeve, oil plug.The front and back covers are made of No. 45 cylinder material, the piston rod is No. 45 chrome plated layer thickness 2-3 wires, the cylinder barrel is No. 20 rolled tube, and the tie rod material is A3 (the large cylinder diameter is tempered with No. 45). The seal adopts the brand of Taiwan DZ.

HOB Heavy Rod Hydraulic Cylinder 100% Oil Test:

The oil test is carried out on the test bench. The implementation steps are as follows: the oil pipe of the test bench is connected to the oil inlet and outlet of the oil cylinder, the pressure is put on the test bench, the oil of the test bench enters the oil cylinder, and the oil cylinder is reversed through the solenoid valve, so that the oil cylinder can go back and forth several times, and the gap between the rod end of the cylinder, the cylinder and the front and back cover are observed whether there is oil leakage.Test pressure =14Mpa*21=10.5Mpa. Check whether the oil cylinder has been tested; it is very simple. After receiving the cylinder, remove the plug of the oil port and see whether there is an oil trace; there is an oil trace indicating that the oil test has been done.

HOB Heavy Rod Hydraulic Cylinder Details Display:

1. The inner hole is manufactured by rolling or honing precision processing technology so that the piston and its seals and supporting parts can slide smoothly, so as to ensure the sealing effect and reduce wear.2. Chrome layer thickness 2-3 wire, good wear resistance, not easy to rust, can withstand 72 hours of salt spray test.3. Cylinder head -45 forging parts, screw rod -45 tempering to ensure the strength of the cylinder4. The cylinder head is blackened, the milling edge is smooth, the chamfer is uniform, and the wrench position design is convenient and practical5. Use ductile iron guide to increase wear resistance6. Before departure, withstand pressure test7. Imported oil seal, brand products, one-year warranty

How To Control Hydraulic Cylinder Speed？

Controlling the speed of a hydraulic cylinder is essential to ensure safe and efficient operation in various applications. There are several methods to control the speed of a hydraulic cylinder, including the following:

1. Flow Control Valves: Flow control valves are commonly used to regulate the speed of hydraulic cylinders. These valves control the flow rate of hydraulic fluid entering or exiting the cylinder, thereby controlling the cylinder's speed. There are two types of flow control valves:a. Throttle Valves: Throttle valves restrict the flow of hydraulic fluid by creating a narrow passage. They regulate the speed by controlling fluid flow through the valve. Throttle valves are often adjustable, allowing for precise speed control.b. Needle Valves: Needle valves have a tapered needle-like plunger that can be adjusted to restrict or allow fluid flow. By adjusting the position of the needle, the flow rate and, consequently, the cylinder speed can be controlled.
2. Proportional Control Valves: Proportional control valves offer more precise control over the speed of hydraulic cylinders. These valves modulate the flow of hydraulic fluid based on electrical or electronic signals, allowing for fine adjustment of the cylinder's speed. Proportional control valves are often used in applications where precise speed control is critical, such as in automation systems.
3. Variable Displacement Pumps: In some hydraulic systems, variable displacement pumps control the speed of hydraulic cylinders. These pumps adjust the volume of fluid delivered to the cylinder, thereby regulating the cylinder speed. By changing the pump's displacement or stroke volume, the speed of the cylinder can be adjusted accordingly.
4. Load-Sensing Systems: Load-sensing systems are advanced hydraulic systems that adjust the pump's output to match the load requirements. These systems monitor the pressure in the hydraulic circuit and adjust the pump's displacement accordingly. By maintaining a constant pressure, load-sensing systems can regulate the cylinder speed even under varying load conditions.
5. Accumulators: Hydraulic accumulators can be used to control the speed of hydraulic cylinders in specific applications. An accumulator stores hydraulic fluid under pressure, which can be released to supplement the flow from the pump. By controlling fluid release from the accumulator, the speed of the cylinder can be adjusted.
6. Gearboxes or Transmission Systems: In some cases, mechanical gearboxes or transmission systems can be employed to indirectly control the speed of hydraulic cylinders. By adjusting the gear ratio or transmission settings, the rotational speed of the input shaft can be translated into the desired speed for the hydraulic cylinder.

China Hydraulic Cylinder Manufacturers:

Raydafon is a company in the R&D and manufacture of heavy rod hydraulic cylinders. It maintains a leading position in the market segment of hydraulic cylinders for forklifts in China. In 2020, the domestic market share was around 29%. We produce Industrial vehicle heavy rod hydraulic cylinders, Aerial work vehicle heavy rod hydraulic cylinders, Agricultural Machinery hydraulic cylinders, and Sanitation machinery hydraulic cylinders.We have a first-class independent R&D platform for assembly. The heavy rod hydraulic cylinder production workshop has four semi-automatic lifting cylinder assembly lines and one fully automatic tilting cylinder assembly line, with a designed annual production capacity of 1 million pieces; the special cylinder workshop is equipped with semi-automatic cleaning and assembly systems of various specifications, with a designed annual production capacity of 200,000 essays. It has famous CNC machining equipment, machining centers, special equipment for high-precision cylinder processing, robot welding machines, automatic cleaning machines, automatic cylinder assembly machines, and automatic paint production lines. We have more than 300 sets of critical equipment running. The optimized allocation and efficient utilization of equipment resources ensure the precision requirements of the products and meet the high standard quality requirements of the products.