Highest quality - Made in Germany
Years of expertise since 1984
Certified & Tested
Fast telephone contact
Our customer service is available to you by telephone. Go to the telephone contact here.
Online appointment booking
Book here a consultation appointment with one of our application engineers.
Online chat
For short or urgent questions: our chat function. You will find it at the bottom left of the screen.
ATEX testing
Book our maintenance service here and we ensure that your system remains ATEX-safe.
How-to videos
Our how-to videos explain the installation and maintenance of our products. Here go to the PTM YouTube channel.
Repair
We repair PTM drives within 24 hours. If received by 12 noon, your drive will even be returned the same day.
Spare parts worldwide
FAQ'S
Do you want to buy drive technology or agitator technology? We answer your questions!
Where can I find technical data, dimensions and certificates?
Data sheets, operating instructions and certificates can be found with the respective product in the Downloads section.
Where can I find CAD files for the motors?
CAD files can be found with the respective engine model in the Downloads section.
The download folder contains the individual assemblies and a PDF guide showing you how to configure the motor.
How do I choose the right motor size and the right gearbox?
To configure the motor, the torque required in the application must first be specified. We specify the starting torque for our motors. By this we mean the torque that the motor develops when it starts up. This is where the torque is at its highest. As the speed increases, the torque decreases slightly.
This means that the speed or speed range required for the application must be specified as the second factor. Please refer to the performance data for the torque and speed ranges of our motors here.
There are also three gearboxes to choose from, which influence the torque and speed:
- A 3:1 gearbox triples the torque of the motor; at the same time, the speed range is only 1/3 of the motor without a gearbox.
- A 9:1 gearbox increases the torque of the motor ninefold; at the same time, the speed range is only 1/9 of the motor without a gearbox.
- A 1:2 gearbox halves the engine's torque, while at the same time doubling the speed range to 600 instead of 300 rpm.
At very low speeds, it is advantageous to use a 3:1 or 9:1 gearbox, as the rotary motion is smoother than without a gearbox. A standard motor only runs evenly and smoothly from approx. 30 rpm. With a 3:1 gearbox, the motor runs evenly and smoothly from approx. 10 rpm and with a 9:1 gearbox from approx. 3 rpm.
To illustrate the considerations to be made, here are two practical examples:
Example 1:
I need a speed of 400 rpm with a torque of 2 Nm.
A 1:2 gearbox is necessary to reach 400 rpm. To achieve the 2Nm at 400 1/min, the 0900 motor will be required. The 0900 motor with a 1:2 gearbox has a speed range of 0-600 rpm and a starting torque of 4 Nm. At 400 rpm, the motor delivers the required 2 Nm.
Example 2:
I need a speed of 20 rpm with a torque of 12 Nm.
A 3:1 gearbox is necessary to reach 20 rpm smoothly and without jerking. To achieve the 12 Nm at 20 rpm, the 0450 motor will be required. The 0450 motor with a 3:1 gearbox has a speed range of 0-100 rpm and a starting torque of 12 Nm. At 20 rpm, the motor delivers the required 12 Nm.
Is the motor suitable for my application?
Our motors are non-electric, partly completed machinery within the meaning of the Machinery Directive and are used as drives in machines and systems to drive wheels, rollers, brushes, agitators, conveyor belts and augers, etc. They can also be used to drive sliders and valves as well as roller shutters etc.
We will be happy to advise you in detail and discuss your application.
Are there different sealing concepts?
All our seals are silicone-free. We offer four different gaskets:
NBR - is our standard
Viton - for high temperature and chemical resistance
PTFE - solvent-resistant for many years of use
FDA-compliant - made of white PTFE with FDA approval for hygienic use in food & pharmaceuticals
What compressed air is required?
The medium used is treated, non-lubricated compressed air at 2-6 bar and a quality class 5 according to ISO 8573-1 filtration grade <=5μ.
Can I also operate the motors with other media?
The use of liquids and gases is not part of the intended use of our motors. We will be happy to check your application in this respect. If possible, we can approve our motors for the use of certain gases.
