FAQs - Frequently asked questions from customers
Belt & gear disc technology
Belt selection: What should you pay attention to?
At the Selection of a conveyor belt You should consider the following aspects:
Material and coatingDepending on the application, e.g. heat-resistant, food-safe or chemical-resistant.
ResilienceThe conveyor belt must be suitable for the loads to be transported (e.g. food/paper/textile/wood/metal).
Environmental conditionsTemperature, humidity and chemical influences play an important role.
Application-specific requirementsFor example: FDA and EU compliance for the food sector or special coatings for non-slip surfaces. Cleanability (HACCP/PU surfaces) or antistatic properties
Technical aspects: Turning diameter, friction value, energy efficiency (e.g., friction-reducing coatings).
How important is the belt mounting/assembly?
Proper storage and assembly of belts is crucial to ensure optimal performance and a long lifespan for the drive elements. Improper storage or assembly can lead to premature wear, loss of performance, or even failure of the belt.
Important aspects of storage:
Belts should be stored in a cool, dry place, away from direct sunlight, moisture, and chemicals.
They should not be bent or hung over sharp edges to avoid damage.
Important aspects of assembly:
The correct tension of the belt is crucial to avoid slippage or excessive wear.
The pulley wheels must be correctly aligned to ensure uniform load distribution. (Ensure alignment of the pulley wheels/rail guide)
It is important to follow the manufacturer's assembly instructions exactly.
The straps should be stored in a cool/dry place and protected from UV light.
What advantages do PU dental braces (BRECO/BRECOFLEX) have over neoprene?
High dimensional stability/minimum creep deformation, very low tendency to creep, good abrasion resistance; particularly suitable for precise positioning drives.
What is a T profile?
One T-profile is a special profile used in mechanical drive technology. It has the shape of a „T“ and is often used in applications where stable and precise guidance or connection is required. T-profiles can be made from various materials such as metal or plastic and are used in areas such as conveyor technology, mechanical engineering, or constructions where a robust and reliable connection is required.
What is an AT10 timing belt?
One AT10 Belts is a gear belt with a specific tooth profile designed for precise power transmission and high load capacity. The „AT“ stands for an enhanced tooth profile that offers higher tensile force and better positioning accuracy compared to standard T-profiles. The number „10“ indicates the division, i.e. the distance between the teeth in millimeters.
These belts are commonly used in industrial applications where precise movement and high durability are required, such as in automation technology, packaging machines, or conveyor systems. They are typically made of high-quality materials such as polyurethane and include tensile reinforcements made of steel or Kevlar to ensure high stability and durability.
How do I choose the correct belt profile (HTD, AT, RPP, etc.)?
After torque/load, positioning accuracy, noise requirements, turning/bending capabilities, and available disc diameter. Technical manuals (e.g., Optibelt) contain profile overviews and design guidelines.
CNC machining & Belt/Tape machining
What conventional methods does Klocke offer?
Conventional turning, drilling, tapping, and engraving on metal products.
Conventional grinding and milling of widths and grooves in belt products.
What CNC processes does Klocke offer?
CNC 3-axis milling/drilling/engraving (MAXMILL) for metal products such as dental splints.
CNC 3-axis milling of pockets, grooves, closures and removal of teeth for chain belt products.
Consulting, Development & Design
Does the clockmaker provide complete CAD data/drawings?
Yes. Creation and editing of 3D CAD data as well as manufacturer-compliant drawings (including exploded-view and assembly drawings); if required, FEM-based design.
What documents does Klocke need for an drive design?
Last data (torque/power), speeds/gear ratios, desired lifespan, environment (temperature/media), space requirements, safety factors, and, if applicable, standard specifications. It is common to follow manufacturer guidelines, e.g., Optibelt design recommendations.
What is a FEM calculation and when is it useful?
The finite element method simulates the structural behavior under load (e.g., stresses/deformations) and thus facilitates optimized geometry and material selection before manufacturing. This is particularly true in lightweight construction, with changing load distributions or required safety certifications.
Prototyping, 3D scanning & 3D printing, reverse engineering
Can you manufacture individual special solutions?
Yes – based on your requirements, we develop custom components including FEM analysis and prototyping.
What data does the 3D scan provide?
CAD-compatible (STEP/STL/3MF) data sets, measurement protocols and deviation analyses (target/actual).
What is reverse engineering with 3D scanning?
Digitization of existing parts/tools, dimensional and form analysis, reconstruction of missing drawings, variant or optimization development, and re-manufacturing using CNC or 3D printing. More information to this link.
What applications are suitable for 3D printing in mechanical engineering?
For rapid functional prototypes, small series, individualized geometries, and weight-optimized components (low material waste, short iteration cycles). More information.
Acoustics (SoundCam) & Thermography
What does thermography bring to machines/plants?
Early detection of hot spots (e.g., storage rooms, drives, control cabinets), insulation/contact problems, and uneven heating; supports preventive maintenance, reducing downtime/costs.
When does an acoustic camera (Beamforming/SoundCam) come in handy?
In the rapid localization of leaks, bearing/gear noise, resonances or machining noises (e.g., aluminum machining), to targetly identify the cause.
Quality management & measurement technology
Why is proper belt tension critical?
Insufficient preload leads to tooth jumping/vibrations; too high a preload increases bearing and belt loads → premature wear. Manufacturer manuals provide procedures/tables for setting the preload.
What tests are common?
Belt length measurement (tooth count/axis spacing), groove/inner hole measurement on tooth discs, hardness measurement of elastomers, layer thickness/defects inspection, coefficient of friction determination, dimensional control according to CNC (internal/external dimensions, measuring slider, in-process measurement).
Quality & Maintenance (industry-wide)
What are the typical errors that lead to premature belt wear?
Missing fluting, incorrect pre-tensioning, too small discs, incorrect coating during bending, lack of cleanliness/protection – see manufacturer’s instructions.
How do I recognize misalignment/misalignment in the drive?
Increased noise levels/hotspots (thermography), locally concentrated sound sources (SoundCam), uneven wear on belts/seals; diagnosis through measurement/thermography/acoustic services.
Response times in case of technical problems
How quickly do you respond to disruptions or failures?
Our service is available by phone on short notice (+49 (0)521 | 950 05 01 or digitally info@klocke-antrieb.de) We ship replacement parts for the drive technology – if they are in stock – often within 24 hours. This reduces downtime and ensures your production runs smoothly.
Service, delivery, documentation
Are there data sheets/downloads available?
Yes, Klocke produces catalogs/brochures here available online (complete range, friction linings, production & manufacturing).
General services & processes
Is Klocke supported locally?
Yes. On-site testing such as: acoustic examinations (SoundCam), thermography, pre-tension measurement, … and many more can be performed at the customer’s premises.
How quickly are replacement parts available?
Due to approximately 100,000 stock-keeping key items in the fields of conveyor and drive technology, spare parts are often available within 24 hours (subject to product availability).
What engineering and service offerings does Klocke offer?
Consulting (including FEM calculations, on-site inspection), development/drive design, construction (2D/3D including exploded and assembly drawings), prototypes/first sample inspection reports, reverse engineering (3D scan/print), quality management (ware receipt, friction value/hardness measurement, 2D measuring machine, universal testing machine), acoustic analyses (SoundCam), thermography, webbed coating/friction coatings, CNC machining and belt and tape processing.
Does the clock offer configuration tools/software support?
Yes, for example drawing support, 3D Tooth Disc Configurator and Hydraulic hose configurator.
Glass processing industry
Which chain works in wet areas without the need for re-lubrication?
WIPPERMANN MARATHON RF: stainless steel, maintenance-free (polymer bearings), ISO 606 dimensions, variants up to +200 °C and FDA approved.
When is BRECObasic® sufficient?
For standard applications without special tolerance/resistance requirements; meter-sized products, infinitely weldable.
Which coating is suitable for glass?
PAZ/PAR for controlled sliding friction (optionally antistatic, 0.6 mm); for high load carrying capacity Linatrile/Linatex – selection based on surface, target µ and process (wet/dry).
How does a suction cord work in the glass line?
Integrated suction channels and sealing strips create a vacuum on the workpiece; the system is designed for overhead transport (e.g., glass panes).
Thermography
What typical errors or limitations are there in thermography inspection, and how can they be avoided?
Typical sources of error include incorrect emissivity, reflective metal surfaces, ambient radiation, or insufficient focusing. By carefully adjusting and using appropriate measurement conditions, the accuracy can be significantly increased.
When is it advisable to use thermography – during ongoing operation or only when machines and systems are at a standstill?
Thermography in industrial plants can often be carried out during operation, as it is non-contact and detects hot spots, leaks, or friction heat early on.
What measurement accuracy can be achieved with thermography and which influencing factors are relevant?
When using thermal imaging technology, factors such as emissivity, distance from the measurement object, ambient conditions, and reflections must be taken into account.
Cam machining
Which key performance indicators should be considered when choosing components?
Typical metrics: running speed, load weight, environmental influences (dust, moisture), frequency of deflecting, strain on the belt or tape surface, required service life.
What advantages do modular conveyor belts offer over traditional belt solutions?
Modular bands often offer easier maintenance, the replacement of individual modules, more variable design options (e.g., pullers, profiles), and can be better integrated into specific plant layouts.
When should a replacement part or retrofit project for drive systems in paper machines be considered?
When downtime decreases, maintenance intervals become shorter, or process reliability declines – then an analysis and, if necessary, the replacement of the system with more modern, better-suited components is worthwhile.
How does the choice of guide rail and surface affect the lifespan of a conveyor belt?
Ribbon carriers such as aramid or polyester offer low stretch and high flexibility; surface coatings help to carry or remove the material being conveyed and reduce abrasion – both crucial factors at high speeds and in changing media.
What roles do endless or seamless tapes play in paper transportation?
Endless or seamless tapes have no connection points, which leads to longer service life, less maintenance and better surface quality during transport.
Why are specially coated conveyor and transport belts important in the paper industry?
Specially coated tapes enable marking-free transport at high speeds and with varying paper or cardboard qualities. They also offer high resistance to abrasion and chemicals.
Drive technology in the printing and paper industry
What effects does the welding of cams have on the bending smoothness or the running behavior of a timing belt and how can this be compensated for?
The welding of cams locally changes the Mass distribution and Bending properties of the gear belt.
This can be particularly problematic in the case of small turning radii or highly dynamic applications. Affect running behavior slightly.
For compensation, there will be:
Symmetrical cam arrangements,
adjusted cam heights as well
Optimized cam clearances
In addition, the welding Centered and tension-free carried out in order to linear running to ensure. When performed by a professional, the Belt flexibility largely preserved – precision manufacturing and material matching are crucial.
Which materials and welding parameters should be considered for rivet welds on toothed belts to ensure safety against stress and lifetime?
When welding with a rivet, it always comes down to thermoplastic materials for use that requires a homogeneous fusion with the belt back allow.
They are used, for example:
Polyurethane (PU 85–95 ShA) for standard gear belts,
3D-printed thermoplastics (PA- or TPU-based) for special geometries.
What is crucial for durability are:
correct welding temperature (typically 180–210 °C depending on the material),
uniform pressure during the welding process,
Clean, stress-free cooling and
Accurate positioning (CNC-supported or with impact system).
This ensures that the welded seam form- and impact-resistant is and the life of the belt is not affected.
When is the welding of cams onto gear belts more advantageous compared to other fastening or engaging solutions?
That Nose welding is the preferred method when one permanent, strong and reliable connection is required between the timing belt and the cams.
Unlike adhesive or screw connections, the needle directly fused with the belt back, which creates a homogeneous compound – without adhesive, without drilling, without risk of adhesion.
Unlike glued or screwed solutions, thermoplastic rivet welding offers:
high adhesion strength without adhesives,
Accurate positioning capability in case of serial production,
no weakening of the strap body by drilling or screwing,
and one permanent connection even under changing load conditions.
This technology is particularly useful in T10 and AT10 timing belts, which is located in Support, positioning and automation systems It offers precise cam positioning, reproducible quality and a long lifespan – even under continuous load.
Intralogistics & Drive Solutions
What are typical challenges in intralogistics for drive systems?
High throughput, changing loads, space and layout constraints, machine availability – all these require flexible and reliable drive and transport systems. Modern components must meet these requirements.
When is the switch from a strap to a chain useful?
When high loads, harsher environments or high operating cycles exist – chains often offer greater robustness here. Belts, on the other hand, are quieter, less maintenance-intensive and suitable for many applications.
How can the lifespan of drive components be improved?
By selecting high-quality materials (e.g., articulated or transport chains with high wear resistance), ensuring appropriate dimensions (load, speed), and performing regular maintenance – this ensures long-term performance.
What advantages does a system solution for drive units offer in intralogistics?
A system solution provides customization of the components with each other (belts, chain, tape), reduces interface problems, improves maintenance and lifespan, and increases the reliability of the entire system.
Which components are typically used in intralogistics conveying and transport systems?
Typical applications include conveyor belts, gear and transport belts, chains, flat or rubber conveyor belts – depending on the load, speed and operating conditions.
Why is drive in intralogistics so important?
Internal transport is a central component of intralogistics – a powerful drive component ensures constant movement, reduces downtime, and contributes significantly to process and cost efficiency.
Hydraulic hose assembly
Single or series production?
Both: From the one-off item to the small or medium series. Our production allows for quick changes and flexible batch sizes.
Which brand components does Klocke use?
We work with proven manufacturers such as VOSS, Voswinkel and Semperit – for top quality and corrosion protection.
How quickly can prefabricated cables be delivered?
We offer direct availability – tested hoses within 24 hours – provided that stock and specifications allow. Shipping is direct, and delivery takes between 1-3 working days depending on the shipping service.
What quality and testing processes are used?
Typical procedures include pressure and leak tests, as well as final labeling and documentation – analogous to leading hose manufacturers.
What advantages does permanent labeling offer?
Damage-resistant marking enables unambiguous identification, quick reordering, and reduces errors during assembly and maintenance.
Why is pressing the fitting onto the hose so important?
Proper compression ensures a tight seal between the hose and the fitting – a key safety requirement especially at high operating pressures.
What does the assembly of hydraulic hose lines mean?
Forming refers to the cutting, stripping, crimping, and marking processes used to design hydraulic hoses into usable pipeline units.
Metal machining & nut tightening
How can I ensure that my drawing is suitable and that the editing is feasible?
Send us your technical data: material, dimensions, tolerances, drawing or 3D model. We will check feasibility, create a production plan and agree on production steps, measurement and quality assurance with you.
What lot sizes and material variants does Klocke implement
We manufacture both individual pieces and small series – especially made from aluminum, steel or cast iron – with machining steps such as cutting, internal machining, thread cutting, and nut threading.
What advantages does the production of small batches of special parts offer?
High flexibility in the case of changes or variations.
Quick response to market or customer requirements.
Retaining proven manufacturing principles with a modern machine park – combined for efficiency and precision.
What tolerances apply for nut widths according to DIN 6885?
The standards provide, as an example, certain width and tolerance ranges for the hub groove and the wave groove, e.g. P9, JS9 or H9 for fixed or lightweight seats.
Which workpieces are suitable for nut threading?
Especially for pulley discs, gears, shafts or hub designs with pass-through spring grooves – also in small batches or special custom-made sizes.
What is nut extraction according to DIN 6885?
Nut extruding is a finishing process for forming pass-through nut grooves, in which a cutting tool (punching knife) is drawn into the workpiece to create the groove.
What is meant by metal forming?
Metal machining refers to the manufacturing process in which excess material is removed using tools to achieve the desired shape and size.
What processes are involved in metal machining?
Typical processes include turning, drilling, milling, sawing and grinding – they are standard processes in classic sheet metal processing.
Webbed flooring / Friction-resistant flooring (textile & conveyor technology)
Are there limits to coated gear belts (torsion)?
Yes. Generally suitable; very soft coatings require reduced preload; natural rubber-based coatings (e.g., Linatex) are only conditionally suitable for recoating—technical advice is recommended here.
What standard widths and cutting options does Anton Klocke Antriebstechnik offer?
Our friction linings are manufactured in-house at our own plant Mother roles assembled and in the standard widths 50 mm, 60 mm, 70 mm and 100 mm offered.
Upon request, we also manufacture Special widths or fixed lengths, For example, pre-assembled in Poly bags with customized labeling.
Thanks to in-house manufacturing, special solutions are also possible. deliverable, stable, economical and reproducible in quality.
Which material types are available for friction linings – and when is which material suitable?
We process various Anti-friction bearing materials with different technical characteristics:
Rubber (NR, EPDM): High friction value, abrasion resistant, universally applicable.
PVC: Affordable, good adhesion for standard applications.
Nylon: Robust, wear-resistant, ideal for conveyor belts.
Silicone: High temperature resistance, non-stick, for thermally stressed systems.
Cork: Vibration-absorbing, pressure-distributing, ideal for sensitive surfaces.
The appropriate material is selected in coordination with the customer based on Coefficient of friction, Temperature range, Contact material and Operating environment selected.
Self-adhesive or hotmelt—when to use which?
Self-adhesive: quick, clean assembly/disassembly. Hotmelt: increased rolling forces, maximum adhesion on the roller.
What advantages do self-adhesive friction pads offer over uncoated variants?
Self-adhesive friction coatings enable a Quick, clean and safe assembly – without additional adhesives or drying times.
Two adhesive systems are available:
Double-sided industrial adhesive tape (Standard): easy to process, can be removed without residue.
Hot glue: High adhesive strength, temperature resistant and durable.
While hot-melt adhesive is preferred for high loads and temperatures, the double-sided adhesive tape is the economical choice for frequent assembly operations or replaceable substrates.
For which applications are friction pads suitable?
For web, knit/crochet, preparation and finishing machines (weaving, shearing, smoothing, printing machines) as well as to increase drum adhesion in transport/drive technology.
Food industry
When are special belt solutions for food processing machines required?
Special gear or flat belts are required for high-speed operations, sensitive products, or intensive cleaning processes. Individually designed belt solutions ensure process reliability and constant product quality.
How Anton Klocke supports hygienic production processes in food technology
Anton Klocke supports hygienic production processes through the selection of materials, structurally hygienic drive design, and application-specific solutions for food processing machines. The design is carried out practically and in accordance with standards for production facilities in Germany.
What special solutions does the company offer for the food industry and packaging machines?
For the Food industry and packaging machines offers the Anton Klocke Antriebstechnik GmbH special drive and conveyor solutions that FDA and EU compliant They are. A special focus is placed on Tube bag straps, which ensure the highest precision in packaging machines. There are specific overviews and solutions for different machine types, such as:
– To Overview Hose bag straps for Aquarius machines or Tube bag straps for Bosch machines
In addition, the company offers innovative products and individual solutions for the food industry, supported by a team of specialists with cross-industry expertise.
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