Projects &
Services
UV Brella Proto
Task Design and prototype building of a fertilizer equipment Solution Easy to transport, lightweight fertilizer equipment that has a welded Al frame, openable UV light fertilizer arms, 12V AC towin...
Metal mesh weaver machine
Task Design and manufacture semi-automatic machines making woven galvanized mesh for scrub production. Solution In close cooperation with the Customer, we used existin g turbine and weaving h...
Robot grippers
Task Ensure gentle robotic product handling Solution Specific product tray and gripper design. https://cad.onshape.com/documents/f29ffe08509b0047f5b443ff/w/69f3dcb38aca6ba4eba2bd05/e/16f3199325d376...
Fertilizer robot
Task Rebuild 2 cleaning robot to high fidelity working prototype of UV light fertilizer. Solution We created manufacturing-ready documentation from conceptual sketches or models provided by our cus...
High Precision Applicator SPPC-161/976
Task Integrate a laser cutter/surface treatment machine and a printer to achieve premium surface transforms, through-beam signs, illuminated buttons. Solution Fine details are reproduced with absol...
Vibration diagnosis training
Task Train engineers how to diagnose vibration of big rotating machine. Solution As a subcontractor of a complex coaching expert we held a day long training for engineers to be able to measure, ana...
Toolmaking
Task Short run production tools for special purpose Solution We can adopt the most appropriate manufacturing technology for your unique demands. SPR offers carefully tuned competitive advantage for...
Custom machines, Engineering service
UPaP
Task Mechanical construction of a complex laboratory equipment. Solution According to the system plan and requirements we built a complex laboratory equipment from self-made and commercial components. Our task was to take care of mechanical construction. https://cad.onshape.com/documents/bfad0cc96ec0ff4582d6a6c2/w/41ce535424386c640caf908f/e/30e3d31c18d0bd7a16561f13?renderMode=0&uiState=6436b14b45d56a50b145e96b
Engineering service, Simulation
BPR
Task Simplify a back pressure regulator valve while ensuring the characteristic. Solution Commercial valve was disassembled. Flow channels reverse engineered. CFD simulation helped to understand the operation and to calculate characteristic. Manufacturing process was analyzed, finally flow in simpler geometry […]
Custom machines, Engineering service
ZDV
Task Design and manufacturing special 2/2 and ¾ valve for laboratory equipment. Valve spool motion cannot excite pressure waves. Solution Wetted surface of spool body is constant during valve operation. Design process of valve involved 2 iteration steps because testing […]
Custom machines
UV Brella
Task 10 pcs serial production of UV fertilizers Solution Based on prototype construction and design we simplified the units and created a forst lot of 10 pcs. Riveted Al frame, excessive usage of 3D printed components. https://cad.onshape.com/documents/fd63dd39efdfd0ed8de567d5/w/79fb5a78cdf0d5ffe68a3c15/e/05c0d686b9a4320ab05de2fb?renderMode=0&uiState=643686fd28a9d87d386700dc
Custom machines, Engineering service
UV Brella Proto
Task Design and prototype building of a fertilizer equipment Solution Easy to transport, lightweight fertilizer equipment that has a welded Al frame, openable UV light fertilizer arms, 12V AC towing motor with cable drum. https://cad.onshape.com/documents/50e1d6b379c5cd52f5cc4b3a/w/063ad6c0a9ea5bc77edd4cfb/e/aaa5e2231bd76e5dc4cababa?renderMode=0&uiState=64367ce343ae4e6a1be27cbf
Custom machines
Metal mesh weaver machine
Task Design and manufacture semi-automatic machines making woven galvanized mesh for scrub production. Solution In close cooperation with the Customer, we used existin g turbine and weaving hooks to reduce maintenance effort and increase reliability. We designed the whole machine […]
Custom machines, Engineering service
Robot grippers
Task Ensure gentle robotic product handling Solution Specific product tray and gripper design. https://cad.onshape.com/documents/f29ffe08509b0047f5b443ff/w/69f3dcb38aca6ba4eba2bd05/e/16f3199325d3760e18925190 For effective product switch gripper head is equipped with automatic tool changer. https://cad.onshape.com/documents/f29ffe08509b0047f5b443ff/w/69f3dcb38aca6ba4eba2bd05/e/d7863dc8eb521160a1b04af3
Custom machines, Engineering service
Fertilizer robot
Task Rebuild 2 cleaning robot to high fidelity working prototype of UV light fertilizer. Solution We created manufacturing-ready documentation from conceptual sketches or models provided by our customer. In our workshop we rebuilt 2 robots.
Custom machines
High Precision Applicator SPPC-161/976
Task Integrate a laser cutter/surface treatment machine and a printer to achieve premium surface transforms, through-beam signs, illuminated buttons. Solution Fine details are reproduced with absolute precision thanks to innovative ink firing control, fast ink curing. By integrating a flexible […]
Engineering service
Vibration diagnosis training
Task Train engineers how to diagnose vibration of big rotating machine. Solution As a subcontractor of a complex coaching expert we held a day long training for engineers to be able to measure, analyse and draw the right conclusion from […]
Custom machines, Engineering service
Testing machine
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Custom machines, Engineering service
Toolmaking
Task Short run production tools for special purpose Solution We can adopt the most appropriate manufacturing technology for your unique demands. SPR offers carefully tuned competitive advantage for the creation of top-class mechanical products. Our services cover the entire process, […]
Calculations, Engineering service
Radial compressor technical expertise
Task Find the root cause of increased vibration and rotor overspeed. Solution As a subcontractor we delivered technical expertise of vibration analysis, compressor thermodynamics, working condition (polytrophic head vs. rotor speed).
Calculations, Engineering service, Simulation
Plant model of a slurry tank
Task Facilitate analysation of a complex production system Solution Plant model in Simulink with 17 factors and 4 responses was created to study equilibrium states and slow changes. We used analytic approach to set up differential system of equations. We […]
Calculations, Engineering service
Design of experience
Task Control theory development and yield optimization for empirical systems Solution Planning and performing experiments, DOE. Factor significance computing, filtering of regressors to achieve response surface. Plant model creation and validation by statistical analysis. By systematic design of experience and […]
Engineering service, Simulation
Plant model of a low-pressure hydraulic system of an agricultural machine
Task Real-time simulation of low-pressure water system Solution After studying the mechanical design, we decided to model the hydraulic system with SimScape (physical modelling) and handling the IOs (Boolean, Voltage, Current and frequency IO at 2nd modelling layer) by Simulink […]
Assembling stations, Engineering service
Manual assembling cell
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Assembling stations, Engineering service
Workbench presses
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Custom machines, Engineering service
Manual spindle press.
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Custom machines, Engineering service
Test bench
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Assembling stations, Engineering service
Assembling stations, equipments.
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Custom machines, Engineering service
Hydro pneumatic manual press.
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Calculations, Engineering service, Simulation
High pressure sealings
Task Design of pretensioned elastomer static sealing for 500-1000 bar at elevated temperature. Solution We provided complete engineering and manufacturing service from conceptual work through material engineering to manufacturing. First we acomplished comprehensive FEM simulation amoungs lower pressure proven design […]
Custom machines, Engineering service
Lab equipments
Task High pressure lab equipment manufacturing for sample storage, dosing and loading. Solution We provided complete engineering and manufacturing service to fulfill our partner’s unique demands. Design was optimized against functionality, manufacturing cost and ergonomics. Domain industry-specific knowledge was provided […]
Engineering service
Camera system calibration
Task Eliminate inspection mistakes. Solution As a subcontractor we provided an instant solution and worked out a more robust training process. After an on-site survey we cleaned and fine adjusted the cameras, illumination, product nests and mirrors. By the aid […]
Calculations, Engineering service
Belt hoist technical expertise
Task Check static and fatigue strength of safety relevant components and connections of a hoist. Solution Strength assessment of parts and heat affected zone of welded connections was performed according to FKM guideline. Seam size of welded connections size was […]
Engineering service, Simulation
Warehouse temperature distribution and ventilation optimization
Task Study cooling quality of split chillers to ensure even air flow and temperature distribution in a warehouse of fresh vegetables. Solution First, we acquired HVAC data onsite with a handheld data logger and measured actual geometry of the building […]
Calculations, Engineering service, Simulation
Fruit parching machine optimization
Task Feasibility study about modernization of a fruit belt dryer Solution Our fluid and thermodynamics knowledge and CFD experience allowed us to use a complex approach even in conceptual phase of a sophisticated project. Our team as a subcontractor performed […]
Calculations, Engineering service, Simulation
Strength assessment
Task Assess static and dynamic strength of components Solution We are experienced in determining strength of metal components. Assessment can be based on strain gauge measurement, FEM or analytical computation based on nominal, structural or effective notch stresses done for […]
Custom machines, Engineering service, Simulation
Modular motor stud
Task Prove the strength of a modularised drive drum of belt conveyor. Solution This was the first time we managed to added flexibility and yet precise design to our employer. FEM calculation-based fatigue strength assessment of motor stud that allows […]
Engineering service
Product conveying and feeding
Task Convey, sieve of feed products. Solution Core of our staff as an employee gathered experience of designing, developing, building, and testing custom belt or vibration conveyors. Several times we developed the most appropriate 1 or 2 DOF kinematic system. […]
Custom machines, Engineering service
Sealing gaiter tester
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Calculations, Custom machines, Engineering service, Simulation
Laser Welding Machine Improvement
Task Redesign critical, unreliable details of a complex machine in cooperation with the customer’s technologist engineer. Solution As a subcontractor we analyzed the errors revealed by the technologists, found theirs root case. We came up with solutions, compared the fatigue […]
Custom machines
Rubber gasket tester
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Calculations, Engineering service
Test bench failure
Task Replace a broken part with a new one that has infinite life. Solution As a subcontractor we assessed the fatigue strength of the existing part according to FKM guideline. Based on the results of FEM stress calculations we changed […]
Custom machines, Simulation
Slack adjuster test bench
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Engineering service
NANO-S vibration
Machine condition assessment according to ISO10816-3 and by comparison to previous measurement.
Custom machines
RAT dynamic
A test equipment that ensured real life load case of rockers while facilitated test purposes.
Custom machines
Cleaning robot
Development of mechanical components of an autonomous mobile cleaning robots in close cooperation with the project leader promoted by the customer.
Calculations, Simulation
Fluidised bed dryer technical calculations
Fluidised bed dryer dimensioning application and trough strength assessment.
Custom machines, Engineering service
Modular Conveyor System
Modular product family that allowed our customer to parametrically design straight, curved, ascending, descending and helix conveyors.
Custom machines
RAT static
Test machine that measures stiffness and damping parameters of rocker arms.