Roller Iran

SAUER DANFOSS roller M44 hydraulic pump

The test and repair process of the M44 and M46 main pumps from Sauer-Danfoss is conducted with precise engineering and numerical evaluation. Initially, the pump is removed from the hydraulic system, and a **preliminary inspection for leakage and pressure** is performed. System pressures are measured numerically using a digital pressure gauge for example, the standard inlet pressure is 6–8 bar, while the operating outlet pressure is checked up to 350 bar for the M44 and 400 bar for the M46. Pump flow at 1,500 RPM is measured between 150–165 liters per minute. The **input shaft torque** is evaluated with a torque meter up to 450–500 Nm to ensure proper power transmission.

In the second stage, internal components including the cylinder block, pistons, and swash plate are inspected with precision tools such as digital micrometers and wear gauges. The **maximum allowable deviation for piston diameter and cylinder bore is 0.02 mm**, and any component beyond this tolerance is replaced. O-rings and seals are replaced according to operating pressures of 350–400 bar and flow rates of 150–165 L/min. The drive shaft is tested for torque resistance and wear to ensure stable operation and prevent abnormal vibrations.

The final stage involves pump assembly and **numerical perfor

RX Retail Security Gate with PROSEC Controller Board

The RX retail security gate employs a Radio Frequency Identification RFID system with circularly polarized antennas, offering an effective range of 1.2 to 1.8 meters. The core PROSEC controller board is based on an ARM Cortex-M4 processor running at 168 MHz. It supports EPC Gen2 UHF tags operating at 865-928 MHz frequencies. The tag read rate exceeds 200 tags per second. Gates are constructed from anodized aluminum profiles with standard dimensions of 90 cm width and 2.1 m height. A single-line LED display shows operation status with a resolution of 128x32 pixels. The devices power consumption in active mode is approximately 40 watts. Alert outputs include a buzzer and tri-color LED lights.

The gate structure consists of two vertical columns, a top crossbar, and a fixed base. The columns house the transceiver antennas and passive infrared sensors. The PROSEC board features 16 independent frequency tuning channels and digital noise filters. It supports connectivity via Ethernet, RS-485, and Wi-Fi 802.11n. The internal memory can log up to 100,000 timestamped events. Detection accuracy in high-traffic environments, using anti-collision algorithms, exceeds 99.5%. The gate resists electromagnetic interference up to 10 W/m². Operation is guaranteed in temperatures from 0 to 50°C

Samand roller bearing

The idler bearing for the Samand is a key component in the vehicle’s timing system, responsible for precisely guiding the timing belt and maintaining consistent tension during engine operation. This part is made from heat-treated alloy steel to ensure high resistance to dynamic pressure and elevated temperatures caused by the continuous rotation of the belt. Its design minimizes friction and enables smooth movement, preventing vibrations and abnormal noises in the system. Using this type of idler bearing in the Samand enhances the lifespan of the timing belt and reduces the risk of sudden engine failures.

From a technical standpoint, the Samand idler bearing features a sealed structure and permanent lubrication that protects it from dust, moisture, and environmental contaminants, eliminating the need for frequent maintenance. The internal balls and cage are precisely engineered to absorb intense rotational forces and sudden impacts efficiently. This bearing is dimensionally compatible with common Samand engines such as the XU7 and EF7, ensuring smooth and accurate performance under various driving conditions. These qualities make the Samand idler bearing a reliable and cost-effective choice for maintaining the optimal function of the timing system.

Nachi thrust needle roller bearing

The Nachi thrust needle roller bearing is a precision mechanical component designed to handle high axial loads in limited spaces. It consists of hardened steel needles with diameters ranging from 2 to 6 millimeters, retained in a steel or polyamide cage. The inner diameter varies from 10 to 120 millimeters, while the outer diameter ranges from 24 to 200 millimeters. Manufacturing precision follows ISO 3245 standards with a P6 tolerance class. The rolling elements typically feature surface hardness between 58 and 64 HRC. Its compact design and linear needle contact reduce friction and increase load capacity by up to 35 percent compared to similar models.

The structure of Nachi thrust needle roller bearings employs precision grinding technology to achieve micron-level tolerances, improving service life and operational stability. Lubrication is usually performed using NLGI-2 industrial grease or ISO VG 46 oil. The operating temperature range is from minus 20 to plus 120 degrees Celsius, and with alloyed chrome steel, it can perform steadily up to 150 degrees. This bearing type is widely used in gearboxes, pumps, and precision machinery, offering high load capacity and reduced energy consumption, making it a top engineering choice for axial load systems.

Roller-Type Mechanical Dating Machine

The roller-type dating machine is constructed from heat-treated C50 carbon steel with 1.5 mm case hardening depth. The steel rollers surface hardness ranges from 60-64 HRC for impact and wear resistance. The engraved roller diameter is designed from 60 to 120 mm with an effective width of 50 to 150 mm. A 1:20 worm gear ratio ensures high torque transmission and smooth handle operation. It can mark soft metallic surfaces with maximum tensile strength of 350 MPa and thickness up to 1.2 mm. Date impression depth is adjustable from 0.1 to 0.5 mm with a line resolution of 0.3 mm.

The machine structure features a cast steel monoblock frame, two combined load bearings, and a roller adjustment mechanism. The pressure adjustment system uses coil springs with a force range of 200 to 800 N for various materials. The date roller is interchangeable with a standard 45 mm diameter and a quick-lock system. The lever handle is made of chrome-molybdenum steel with a 300 mm length and anti-slip coating. Machine weight ranges from 18 to 25 kg for operational stability and vibration reduction. The device is manufactured and quality-controlled per ISO 9001 standards for mechanical marking equipment.

Impact Free Motorized Roller for Auto Automation Applications

The Bamotor Hatas company impact free roller for auto applications features a three phase electric motor rated at 5.5 kW with efficiency above 92 percent. The nominal roller speed is 1450 rpm and is controlled by an industrial inverter with ±1 percent accuracy. The roller diameter is 180 mm with an effective working length of 320 mm. The housing is manufactured from ST52 alloy steel with a yield strength of 355 MPa. Bearings are self aligning P5 class with a design life exceeding 30,000 hours. Power transmission uses direct coupling without backlash, and operating noise remains below 70 dB.

This impact free roller is engineered for automated auto production lines under uniform load conditions. The shock elimination system uses a viscoelastic damper with a damping ratio of 0.35. Shaft concentricity tolerance is maintained below 0.02 mm. The roller surface is coated with industrial polyurethane at 85 Shore A hardness. Maximum allowable radial load is 2.8 kN, and operating temperature ranges from -10 to 60 degrees Celsius. Electrical protection is IP55 with insulation class F. Energy consumption at nominal load is measured at 4.9 kWh.

Hepco 50 cm Hand Roller

The Hepco 50 cm hand roller is a non powered compaction device with a simple mechanical structure and high operational efficiency. The effective drum width is 500 millimeters and its diameter is approximately 320 to 350 millimeters. The operating weight varies between 90 and 130 kilograms depending on drum thickness and filling volume. The drum is manufactured from rolled alloy steel with high yield strength. The frame is built from reinforced steel profiles using continuous industrial welding. Bearings are selected as bushing or ball types with high wear resistance. This design ensures uniform force transfer and extended service life.

From a performance perspective, the Hepco 50 cm hand roller is used for compacting thin asphalt layers, granular soil, and compressible materials. The applied linear pressure is calculated as a function of weight and drum diameter. The guide handle is made of bent steel tubing with an anti slip coating. The handle to frame connection uses reinforced bolt or pin joints. The drum can be filled with water or sand to increase weight. This feature improves compaction accuracy in small construction projects.

Hepco 50 cm Roller

The Hepco 50 cm roller is a manual compaction device with a simple mechanical design and stable performance for light construction projects. The effective drum width is 500 millimeters and the diameter ranges from 320 to 350 millimeters. The operating weight without filling is approximately 85 to 100 kilograms. By filling the drum with water or sand, the weight increases to about 120 to 140 kilograms. The drum is made of rolled alloy steel with high wear resistance. The frame is manufactured from reinforced steel profiles using uniform industrial welding. This structure ensures mechanical stability and long service life.

From an operational perspective, the Hepco 50 cm roller is suitable for compacting thin asphalt layers, granular soils, and sidewalk subgrades. The applied linear pressure depends on operating weight and drum diameter. The bearing system uses simple steel bushings or durable ball bearings. The guide handle is made of bent steel tubing with an anti slip coating. The handle to frame connection is reinforced with bolts. This design provides better control and uniform compaction.

Srsng roller pump Kamrshal Gear

The commercial roller gear pump is a high-precision industrial hydraulic pump designed for transferring oil, viscous fluids, and high-pressure hydraulic systems. Flow capacity typically ranges from 10 to 300 liters per minute, with operating pressure up to 35 bar. The pump body is made of alloy steel or aluminum with corrosion- and wear-resistant coating. Internal gears and rollers with high surface hardness and precise design ensure smooth fluid transfer, minimal vibration, and low noise. The drive shaft, supported by industrial bearings and mechanical seals, guarantees leak-free operation and long service life.

Structurally, the pump consists of the main body, internal gears and rollers, drive shaft, bearings, and inlet filter. Inlet and outlet ports are standard sizes from 1/2 to 2 inches, allowing horizontal or vertical installation. High transfer efficiency above 85% and operating temperatures from -20 to 120°C make it ideal for industrial hydraulic lines, heavy machinery, and oil transfer systems. The design of rollers and gears reduces friction and increases pump lifespan.

COMPUTER CONTROLLER

The control box is an electronic enclosure used to manage and control electrical flow, signals, and device operations in industrial and motorized equipment. The body is typically made of steel or aluminum with anti-rust coating and electrical insulation, providing high mechanical and thermal resistance. Dimensions range from 150×100×50 mm to 500×400×200 mm depending on the device. Internal electronic boards include relays, fuses, microcontrollers or PLCs, and standard connectors for inputs and outputs. Operating voltage ranges from 12 to 240V AC/DC, with current capacity up to 20A.

Structurally, the control box consists of a body, durable cover, internal electronic boards, connectors, and ventilation or cooling fan systems. The design allows wall or device-mounted installation. Cables and connectors are resistant to heat, moisture, and vibration. Control boxes are used in hydraulic, pneumatic, industrial machinery, and electric vehicles. Device lifespan exceeds 50,000 hours, with protection against voltage fluctuations and dust.

German BOMAG Roller

The German BOMAG roller is an industrial compaction machine designed and manufactured according to European engineering standards. The main frame is made of structural steel with high fatigue resistance. The compaction drum is produced from hardened alloy steel with an engineered diameter. Drum width varies by model between 700 and 1200 millimeters. Operating weight ranges from 100 to over 2500 kilograms in manual and powered models. The bearing system uses multi layer sealing. This structure reduces wear and extends machine service life.

From a functional standpoint, the BOMAG roller is used for compacting asphalt, granular soils, and construction subgrades. Compaction force is applied through a combination of static weight and dynamic vibration. The vibration system with controlled frequency ensures uniform compaction. Engines in powered models are selected as fuel efficient diesel or gasoline types. Ergonomic handle or operator cabin design reduces user fatigue. These features improve accuracy and productivity in construction projects.

Roller

The Hepco roller is a key component in power transmission and movement systems of construction machinery, primarily used in bulldozers and loaders. Roller diameter ranges from 200 to 350 mm and length from 400 to 800 mm. The roller shell is made of alloy steel with surface hardness 50–60 HRC and tensile strength 800–1000 MPa for wear and impact resistance. Internal anti-wear bearings with load capacity of 5–10 tons ensure smooth and uniform shaft movement. Roller weight ranges from 50 to 120 kg, and surface coating or chrome plating enhances durability.

Structurally, the Hepco roller includes a central shaft, outer shell, and internal bearings. Contact surfaces with tracks or rubber pads are precision-machined and friction-resistant. Internal lubrication channels with oil or grease ensure long service life and reduced wear. Static and dynamic balancing prevents system vibration and optimizes power transmission. This design is fully optimized for heavy-duty, rough terrain, and industrial working conditions.

Pressure Roller

The fuser unit in Konica Minolta copiers fixes toner on paper using heat and pressure. Thermal power ranges from 400 to 650 watts, with operating temperatures between 180 and 210°C. Paper speed through the fuser is 20 to 45 pages per minute, and roller pressure is adjustable between 2 and 4 kilograms. Rollers and heating elements are made of heat- and oxidation-resistant alloys to ensure long life and uniform heat distribution. A temperature sensor with ±3°C accuracy maintains consistent print quality. The fuser body is made of steel or aluminum alloy resistant to heat and wear.

Structurally, the fuser includes a heated roller, pressure roller, heating element, and temperature sensor. The central roller shaft with heat-resistant bearings ensures uniform movement. Overheat protection and automatic power cutoff enhance device safety. Installation and replacement use standard clips and pressure mechanisms. This design ensures uniform toner fixing, prevents paper wrinkling, and prolongs the life of printing components.

HOT ROLLER

The hot roller in Ricoh Aficio copiers fixes toner on paper using heat and pressure. Roller diameter ranges from 20 to 30 mm and length from 200 to 300 mm. Thermal power of the heating element ranges from 350 to 600 watts, with operating temperatures between 180 and 210°C. Paper speed through the roller is 20 to 45 pages per minute, and roller pressure is adjustable between 2 and 4 kilograms. The heating element is made of a heat- and oxidation-resistant alloy, and the roller body is made of steel or aluminum alloy. A temperature sensor with ±3°C accuracy ensures uniform heat and consistent print quality.

Structurally, the hot roller includes a central shaft with heat-resistant bearings, a silicone or Teflon coating for uniform heat transfer, a heating element, and a temperature sensor. Installation and replacement use standard clips and pressure mechanisms. This design ensures uniform toner fixation, prevents paper wrinkling, prolongs fuser component life, and is fully compatible with official Ricoh Aficio toner.

Controller

A full-feature industrial control panel includes a steel or aluminum enclosure with 2 to 3 mm thickness and electrostatic paint coating. Input voltage typically ranges from 220 to 480 volts AC three-phase with 50 to 60 Hz frequency. Equipped with a PLC with 16 to 128 digital I/Os and 8 to 32 analog I/Os, it enables precise process management. A 7 to 15-inch touchscreen with 800×480 to 1920×1080 resolution provides an intuitive graphical interface. Protective systems include fuses, overload relays, and safety switches in compliance with IEC 60204.

Structurally, the panel has an internal rack with 400 to 600 mm depth and 1200 to 2000 mm height. Cabling uses standard terminals and separated paths for signal and power, reducing electromagnetic interference. Ventilation with fans or natural airflow and dust filters ensures stable operation from 0 to 50°C. Network connectivity via Modbus, Profibus, and Ethernet enables remote control. These panels are optimized for automated industrial production lines and machinery.