WELTER zahnrad GmbH
- Karl-Kammer-Str. 7, 77933 Lahr, Germany
- +49 7821 923 0
- info@welter-zahnrad.de
- www.welter-zahnrad.de
Description
WELTER zahnrad GmbH;
Precise gear technology for defense applications / Components for military vehicles and naval systems / Expertise in development and reverse engineering / Manufacturing according to drawings or sample parts / Highest quality standards and full traceability / Reliable partner for mission-critical drive systems / Quality "Made in Germany"
Products: Bevel gears / Spur gears / Pinion shafts / Ring gears / Internal gears / Machine components with external and internal gearing
Services: Free quotation creation / Delivery of new & spare parts / Flexible adjustment of batch sizes / Design & calculation / Re-manufacturing based on samples
Design & Engineering Service: Gearbox design and calculation / Reverse Engineering / KIMOS and KISSsoft applications / Strength verifications according to DIN, ISO, and AGMA standards / Measurement and analysis of gear data / Creation of CAD drawings
Quality Management: DIN EN ISO 9001:2015 certified / Material certificates / Heat treatment protocol / Nondestructive temper etch test (grinding burn check) / Crack testing / Inspection / Dimensional reports / Gear measurement reports Single-flank gear testing / Balancing protocols / Topography measurements
Applications & References: Typical application areas: All-wheel drive and tracked vehicles / Gears for drive technology across army, air force, and navy / Drive combinations consisting of bevel gear sets, differentials, and spur gear components – all from a single source / References in the defense sector available upon request / Over 60 years of experience in manufacturing bevel gear sets
Precise gear technology for defense applications / Components for military vehicles and naval systems / Expertise in development and reverse engineering / Manufacturing according to drawings or sample parts / Highest quality standards and full traceability / Reliable partner for mission-critical drive systems / Quality "Made in Germany"
Products: Bevel gears / Spur gears / Pinion shafts / Ring gears / Internal gears / Machine components with external and internal gearing
Services: Free quotation creation / Delivery of new & spare parts / Flexible adjustment of batch sizes / Design & calculation / Re-manufacturing based on samples
Design & Engineering Service: Gearbox design and calculation / Reverse Engineering / KIMOS and KISSsoft applications / Strength verifications according to DIN, ISO, and AGMA standards / Measurement and analysis of gear data / Creation of CAD drawings
Quality Management: DIN EN ISO 9001:2015 certified / Material certificates / Heat treatment protocol / Nondestructive temper etch test (grinding burn check) / Crack testing / Inspection / Dimensional reports / Gear measurement reports Single-flank gear testing / Balancing protocols / Topography measurements
Applications & References: Typical application areas: All-wheel drive and tracked vehicles / Gears for drive technology across army, air force, and navy / Drive combinations consisting of bevel gear sets, differentials, and spur gear components – all from a single source / References in the defense sector available upon request / Over 60 years of experience in manufacturing bevel gear sets
Download
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WELTER-Militarflyer-EN-Faltblatter-1-Innen.pdffile size: 1.40 MB
Products
Spiral bevel gear set
Spiral bevel gear set
High-Torque Spiral Bevel Gear Set for Defense & Armored Tactical Vehicles
Engineered for extreme operational resilience, this precision spiral bevel gear set is designed to withstand severe shock loads and high dynamic torque requirements in military drive axles and transfer cases. Featuring optimized spiral bevel flank geometry and premium case-hardened alloy steel, it delivers maximum power density where reliability is non-negotiable.
Typical Applications:
Central axle differentials, portal wheel hubs, transfer cases, and angular gearboxes in 4x4, 6x6, and 8x8 armored personnel carriers (APCs), MRAPs, tactical trucks, and tracked vehicles.
Key Technical Features & Advantages:
Extreme Torque & Power Density: Optimized tooth geometry provides superior contact patterns for high load-bearing capacity within compact axle layouts.
Precision Surface Finishing: Fine-ground tooth flanks ensure high pitting resistance, minimum friction losses, and long operational life under heavy-duty cycles.
Low Acoustic & Vibration Signature (NVH): High contact ratio ensures smooth, quiet mesh performance, contributing to reduced overall vehicle noise signatures in tactical environments.
High Shock & Peak-Load Resistance: Tailored heat treatment and core toughness prevent tooth breakage during rapid acceleration, off-road impacts, and emergency maneuvers.
Emergency Run-Dry Capability: Designed for high thermal tolerance in critical defense applications.
Extreme Torque & Power Density: Optimized tooth geometry provides superior contact patterns for high load-bearing capacity within compact axle layouts.
Precision Surface Finishing: Fine-ground tooth flanks ensure high pitting resistance, minimum friction losses, and long operational life under heavy-duty cycles.
Low Acoustic & Vibration Signature (NVH): High contact ratio ensures smooth, quiet mesh performance, contributing to reduced overall vehicle noise signatures in tactical environments.
High Shock & Peak-Load Resistance: Tailored heat treatment and core toughness prevent tooth breakage during rapid acceleration, off-road impacts, and emergency maneuvers.
Emergency Run-Dry Capability: Designed for high thermal tolerance in critical defense applications.
Multi component gear assembly
Multi component gear assembly
This multi-component gear assembly features three distinct precision-machined gearing types engineered for high-load power transmission:
Helical Gear (Center Main Wheel): Provides high torque transmission with continuous tooth engagement, ensuring exceptional operational smoothness, high load capacity, and minimal acoustic signature under heavy dynamic forces.
Hirth Coupling / Face Spline (Top Rim): Radial wedge teeth located on the face of the hub deliver a rigid, self-centering, and backlash-free axial connection capable of transmitting high torsional and shock loads without slippage.
Internal Involute Spline (Bore Area): Internal axial gearing designed for dynamic slide-fits or positive torque transmission directly from an inserted drive shaft.
Component assemblies of this configuration are engineered for critical drive-line positions across tactical wheeled vehicles (4x4, 6x6, 8x8) and tracked platforms:
Transfer Cases & Main Transmission Units: The helical gear handles continuous primary power transfer from the engine/transmission to drive shafts, absorbing extreme torque spikes during sudden terrain changes or acceleration.
Steering & Steering Transmission Systems (Tracked Vehicles): Facilitates heavy-duty power overlay and torque distribution required for high-speed differential steering in armored tracked vehicles under full load.
Heavy-Duty Axle & Hub Assemblies: Positioned in main axle gearboxes or heavy-duty planetary wheel hubs to deliver compact, high-ratio torque conversion.
Shock-Resistant Power Take-Off (PTO) & Interface Mounts: The face-side Hirth coupling enables absolute form-fit, vibration-proof connection for auxiliary power units, hydraulic pump drives, or modular disconnect clutches operating under harsh field conditions.
Transfer Cases & Main Transmission Units: The helical gear handles continuous primary power transfer from the engine/transmission to drive shafts, absorbing extreme torque spikes during sudden terrain changes or acceleration.
Steering & Steering Transmission Systems (Tracked Vehicles): Facilitates heavy-duty power overlay and torque distribution required for high-speed differential steering in armored tracked vehicles under full load.
Heavy-Duty Axle & Hub Assemblies: Positioned in main axle gearboxes or heavy-duty planetary wheel hubs to deliver compact, high-ratio torque conversion.
Shock-Resistant Power Take-Off (PTO) & Interface Mounts: The face-side Hirth coupling enables absolute form-fit, vibration-proof connection for auxiliary power units, hydraulic pump drives, or modular disconnect clutches operating under harsh field conditions.
Worngear set
Worngear set
This worm gear set—featuring a hardened steel worm shaft and a bronze-rimmed worm wheel—possesses key mechanical characteristics including a high reduction ratio in a compact footprint, a 90° right-angle drive setup, high torque capability, shock-load damping, potential self-locking capability, and low backlash.
In defense and military engineering, gear sets of this design and construction are primarily utilized in the following systems:
Turret Slew and Elevation Drives: Azimuth and elevation positioning drives for armored vehicle turrets, tank gun mounts, artillery systems, and Remote Weapon Stations (RWS) where fine precision and structural holding are required.
Radar and Optronic Tracking Platforms: Precision rotation and elevation drives for heavy surface-search radars, fire-control radars, long-range thermal/infrared imaging pods, and electro-optical surveillance systems on naval vessels and land-based platforms.
Missile Launcher and Air Defense Mounts: Azimuth and elevation orientation systems for guided missile launchers, air defense cannons, and counter-UAS (unmanned aerial system) effectors.
Naval Systems and Deck Machinery: Heavy-duty marine winches, anchor windlasses, steering gear actuators, and platform lifts on military vessels.
Turret Slew and Elevation Drives: Azimuth and elevation positioning drives for armored vehicle turrets, tank gun mounts, artillery systems, and Remote Weapon Stations (RWS) where fine precision and structural holding are required.
Radar and Optronic Tracking Platforms: Precision rotation and elevation drives for heavy surface-search radars, fire-control radars, long-range thermal/infrared imaging pods, and electro-optical surveillance systems on naval vessels and land-based platforms.
Missile Launcher and Air Defense Mounts: Azimuth and elevation orientation systems for guided missile launchers, air defense cannons, and counter-UAS (unmanned aerial system) effectors.
Naval Systems and Deck Machinery: Heavy-duty marine winches, anchor windlasses, steering gear actuators, and platform lifts on military vessels.
Brands
WELTER zahnrad