We recognise that CO2 & emissions legislation is driving industry trends such as engine downsizing and the hybridisation of vehicles, and hold a comprehensive understanding of the context in which our customers operate and the challenges they face.
Whatever your issues may be, DSD has likely dealt with very similar ones successfully for other customers, often in several different applications.
DSD’s track record of delivering driveline projects is achieved through a world-class analysis and simulation capability, combined with deep technical knowledge of key transmission component technologies and integration of the mechanical, electronic and control systems.
The company’s familiarity with high volume manufacturing, undertaking plant reviews for several customers, means we understand the challenges and constraints of production. This understanding enables us to input this information back into engineering.
DSD’s ability to procure, draw, purchase and build prototype assemblies means we can deliver a complete service, from concept design, through prototypes to production launch support.
DSD frequently undertakes programs to deliver increased efficiency from existing axles and transmissions to help our customers improve overall vehicle fuel economy, BEV & hybrid vehicle battery performance, CO2 and emissions, delivering impressive measurable improvements.
In one example, we reduced oil churning losses in a current production high volume manual transmission without compromising durability.
The company evaluates and calculates the losses across the entirety of the system. Then, by comparing all the available options for each component or control element, DSD can pick the best solution and reduce losses.
DSD has particular strengths in developing Shift Quality and the resolution of noise, vibration and harshness (NVH) issues.
Gear shifting is the key area where a driver will gain a tangible impression of transmission quality in their vehicle, particularly with automatic transmissions, such as AMTs and DCTs, where the lack of input from the driver can highlight issues. Our experience of shift system design, control and calibration includes hydraulic, electric and manual operation and makes a significant contribution to the perceived quality of the whole transmission.
Typical NVH problems that we solve include gear whine, rattle, clatter, driveline boom, shunt and clunk/clonk, clutch damper tuning, manual gearshift quality and gear lever tizz. Our experience in all aspects of transmissions and driveline integration has enabled us to deliver solutions to customers within very short timescales.