STONE PROCESSING / TWO MACHINE PROGRAMMES
16-wire recovery & 20-wire multi-wire saw
Diagnosing and revising an earlier machine, then engineering a new 20-wire mechanical platform from design through commissioning.
Explore the multi-wire work ↓Mechanical design engineer · Austria
Engineering ideas into working machines.
I design special purpose machinery, industrial automation and precision mechanical systems—from first concept and 3D model to manufacturing drawings and shop floor validation.
Selected work
Projects with real engineering depth.
01 / REVERSE ENGINEERING
Brilliance H330 front end module
Reconstructed a large automotive component from measurement data, coordinated tooling and validation, and achieved dimensional deviation below 0.3 mm.
Read the full case study ↗02 / ENERGY SYSTEMS
Marun 6 flare gas recovery
Modeled a modular two stage compression station, including skid structures, piping, components and fabrication documentation.
Read the full case study ↗03 / MACHINE DEVELOPMENT
Packaging and filling automation
Designed customer specific filling, labeling and conveyor machinery, taking concepts through detailing, assembly and testing.
Read the full case study ↗04 / RAIL ENGINEERING
Hyundai Rotem railbus structures
Digitized A and B car body structures from paper drawings in CATIA V5, with more than 2,000 unique parts and a coordinated design archive.
Read the full case study ↗05 / PRECISION MOTION
VARGEL linear drive redesign
Led a modular drive redesign focused on manufacturability, prototype testing and major weight reduction for selected sizes.
Read the full case study ↗06 / INDUSTRIAL EQUIPMENT
Edge mill reconstruction
Led on site measurement and CAD reconstruction of roughly 800 parts, delivering assemblies and manufacturing documentation.
Read the full case study ↗TOKSEL Makina · Stone-processing machinery
Multi-wire saws: recovery, then new development.
Two distinct engineering assignments: revising an earlier 16-wire machine that was not working as intended, followed by the design and build of a new 20-wire machine.
01 / 16-WIRE MACHINE · REVISION
Diagnose the existing machine
TOKSEL had built a 16-wire saw before my involvement, but it was not operating as intended. I investigated the machine in the field, reviewed the mechanical design and revised its critical functions. This was a recovery and redesign assignment on an existing machine.
02 / 20-WIRE MACHINE · NEW DESIGN
Engineer the next platform
After that work, I designed the mechanical platform for a new 20-wire saw: welded supporting structure, load and strength calculations, bearings, drive and motion systems, wire guiding and individual pneumatic tensioning. My scope included component sizing, manufacturing documentation and support through fabrication, assembly, testing and commissioning.
From CAD to the workshop
Machine views and engineering details from the multi-wire work.
Engineering toolkit
From mechanism to manufacture.
Hands on design experience across complete machines and their critical subsystems, supported by detailed drawings, tolerances and production coordination.
About
A designer who stays close to the machine.
I am Ehsan Roshani, a mechanical design engineer with experience in Iran, Turkey and Austria. My work spans special purpose machinery, stone processing equipment, packaging lines, gas systems and rail structures.
I have led engineering teams, worked alongside fabrication and assembly crews, and taught CATIA to engineers for over 5,000 hours. I bring practical production thinking into CAD decisions: how a part is made, assembled, measured and serviced.
- Concept and 3D design
- Technical drawings
- Supplier coordination
- Prototype validation
Contact
Let’s discuss your next machine.
For mechanical design roles, engineering collaboration and project questions.
Engineering reference
Find the reference you need.
Clear, separate topics for machine design, calculations and fabrication.
Materials & sections
Sheet metal
Materials, stock formats, bend and mass calculations, tolerances, fabrication and project notes.
Open topic →Design toolsPiping design
Process and hygienic piping, pipe dimensions, flow calculation, routing and release checks.
Open topic →Design toolsStress calculations
Normal, shear, bending, torsional, thermal and equivalent stress with worked examples.
Open topic →Design toolsGeometric dimensioning & tolerancing
Form, profile, orientation, position and runout controls, with datum and inspection notes.
Open topic →CAD & documentationCATIA V5 · CAD workflow
Model intent, robust references, assembly checks and drawing release.
Open topic →Machine elementsRolling-bearing selection and load direction
Bearing selection begins with the complete load case—not the shaft diameter alone. Radial and axial forces, speed, misalignment, stiffness, thermal growth,…
Open topic →