PMS gearboxes

PMS gearboxes
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PMS gearboxes

Product catalog summary
Corporate Philosophy
PMP PRO-MEC is dedicated to developing transmissions for forklifts and electric tractors, focusing on integrating new technologies and meeting operator needs. Key features include fast motors, energy efficiency, low noise, reliability, and low maintenance costs. The engineering team prioritizes simplicity, quality, and reliability in gear parts to reduce noise and temperature while enhancing efficiency. The company invests in research and development for long-lasting solutions.
Field of Application
The transmissions are designed for units with speeds up to 30 km/h and loads up to 8.5 tons. The PMS series is adaptable to different inclinations and covers forklifts with capacities from 1.5 to 8 tons. It includes four versions: PMS 600, PMS 700, PMS 850, and PMS 880, each catering to different load capacities. The design allows for electronic differentials on larger machines, enhancing maneuverability and efficiency.
Single Motor Solutions
The PMS HS versions support single transversal motors with mechanical differentials. Despite a bulkier appearance, they offer advantages such as independent operation of motor and transmissions, low noise, and easy brake maintenance, which is also appealing for electric tractors.
PMA Version
The PMA version is tailored for forklifts with diesel or electric engines in a longitudinal position, featuring a hydraulic braking system with a patented automatic disk disengage system.
Reliability and Quality
All gearboxes are designed with safety margins and calculated according to AGMA standards. Rigorous testing ensures reliability under maximum loads. PMP emphasizes quality at every production stage, integrating advanced technology and quality control management.
Flexibility
The transmissions support various motor types and configurations, including AC/DC motors and hydraulic systems. The patented oil bath brakes offer flexibility in braking systems, allowing customization without disassembly.
Noise Level
PMP transmissions are known for low noise levels, achieved through independent motor and gearbox structures and high-quality standards.
Braking System
The patented hydraulic brakes feature independent cartridges, preventing oil contamination and simplifying maintenance. The system supports various braking configurations and enhances efficiency.
Technical Specifications
  • Braking System: Various configurations include positive and negative brakes, with hydraulic service brakes and mechanical or hydraulic parking brakes. Key parameters include maximum dynamic braking pressure (90-150 bar), oil volume for dynamic braking (3.5-10 cm3), and maximum dynamic braking torque (>5600-16000 Nm).
  • Gearbox Unit: Specifications include maximum axial load (up to 34000 kg), input speed (up to 5000 rpm), available gear ratios, continuous and motor acceleration torque at the wheel, and oil type (API GL4-SAE 80W).
  • Forklift Capacity: Models support capacities ranging from 4.0 to 8.0 tons, with patented designs and various technical configurations.
Procedures and Maintenance
  • Maintenance: Regular maintenance involves topping up and replacing oils, with specific recommendations for oil types and maintenance intervals (every 3000 working hours). The brake cartridge can be disassembled independently for maintenance.
  • Ordering and Selection: Guidelines for selecting the appropriate gearbox based on technical characteristics, motor power, and braking capacity. The document advises contacting the technical office for assistance.
  • Spare Parts: Spare parts are available within 48 hours of order, with a detailed spare parts list provided in the user manual.
Recommendations
  • Use the specified oil types for optimal performance and longevity of components.
  • Follow the maintenance schedule to ensure reliability and reduce noise levels.
  • Consult the technical office for gearbox selection and motor compatibility.
Additional Information
Contact details for technical support and spare parts orders are provided, along with a reminder to refer to the product code and serial number for all maintenance and ordering operations.
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Catalog excerpts

PMS gearboxes-1

TRANSMISSIONS TRANSMISSIONS for electrical tractorsand forklift trucks for electrical tractorsand forklift trucks >

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PMS gearboxes-2

www.pmp-promec.it The new leader in transmission sector >

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PMS gearboxes-4

The transmission for fork lifts were developed after a complete analysisof the market taking in consideration the new technologies that were introduced and the real needs of the operators. The fast motors, the saving of energy, the low noise level, the reliability,the low maintenance costs, these are the key ideas of our new product range.The experience of our engineering team is one of the strong points of PMP PRO-MEC and allows the customer to choose the better responsefor his needs. In fact PMP offer technologically advanced engineering tools and, more importantly, strong and innovative ideas.Our...

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PMS gearboxes-6

The field of application of our transmission is the most ample one forany unit with a speed not superior to 30 km/h and a maximum load of 8,5. Our line of products is the only one that can cover a range of forklifts with a lifting capacity from 1,5 ton to 8 ton, with twin motor application and electronic differential and with single motor and mechanical differential. The PMS gearboxes, given this name thanks to their peculiar shape,with the axle of the motor and of the wheel in different positions, guarantee a high adaptability to customer products since its possible to install them at different...

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PMS gearboxes-7

The PMA version were studied to complete the range and can beapplied on forklift with diesel or electrical engine in a longitudinal position. On this line you can still find an hydraulic braking system with the automatic disk disengage system (patented) but considering their layout the disk chamber is in common with main gearbox. These transmissions have traced the road of the future in the field ofthe handling where the matter of the cost and of the performances must be solved with a single unique solution. This catalogue summaries the range of the products available butgiven the high flexibility...

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PMS gearboxes-8

The low noise level is an indication that the transmission has beendeveloped according to the correct standards, that the production cycle is a reliable one and that the quality standards are high ones. This characteristic of the PMP products is well know on the marketsince is prevalent application on electrical forklifts and it is highly appreciated by the final users. Since on the PMP transmission the motor axle is different from wheel one and their structure is independent, the motor and the gearbox can work independently without any functional problem, even in presence of flexions or vibrations....

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PMS gearboxes-33

It is possible to choose from different configurations for the brake, inaccordance to the application: - p - n positive brake, with hydraulic service brake and mechanical parkingbrake with lever; combined brake with hydraulic service brake and parking brakeactivated by coils and hydraulic actuation. It is very important to notice that is possible to change from one brake to the other only with substitution of the brake lever. > The single motor gearboxes PMS/PMR can be used and adapted with: DC electrical motor (serial or separated excitation); AC electrical motor; Hydraulic motor.The PMS HS...

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PMS gearboxes-34

Replacing of brake disks or doing maintenance on the brake requiresthat only the brake cartridge is disassembled, and not the whole reduction gear (the correct procedure is described in the User, installation and maintenance manualӔ) > For a correct choice of the gearbox is necessary that its technicalcharacteristics are equal if not superior to the ones requested by forkliftthat is going to use it. We advise to check carefully the following data: The power of the motor and the ratio of reduction in relation withthe max speed requested on a flat surface, unloaded and loaded; The power of the...

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