title: “Collaborative Robot High-Torque Fastening — Turbo, Stud & Hydraulic-Valve Assembly”
slug: collaborative-robot-high-torque-fastening-turbo-stud-hydraulic-valve-a
meta_description: “High-torque bolts on turbochargers and gearboxes — can hand tightening really guarantee every single one is right? closed-loop torque control ±0.03 mm repeatability traceable torque/angle/time”
primary_keyword: high-torque
keywords:
- high-torque
- servo tightening spindle
- closed-loop torque
- ±0.03 mm
- studs
- hydraulic-valve
target_site: www.evsint.com
og_image: thumbnail/gearbox_fastening_en-16×9.png
youtube_id: “{{YOUTUBE_ID_EN}}”
This cell uses a collaborative robot with a servo tightening spindle, driving each high-torque joint by program with closed-loop torque control — stop on target, and log torque and angle for every bolt. The payoff matters: torque consistency is locked in, every bolt traceable by torque, angle and time, running both shifts unmanned — cutting quality risk and recall exposure together.
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At a glance
| Metric | Value |
|---|---|
| closed-loop | torque control |
| ±0.03 mm | repeatability |
| traceable | torque/angle/time |
The problem
Three pits of high-torque fastening. The torque is high, so hands shake and torque decays late in the cycle. Studs and deep bolt holes are hard to reach and align by hand. And when something fails, you can’t trace which bolt or who tightened it.
The solution
This cell uses a collaborative robot with a servo tightening spindle, driving each high-torque joint by program with closed-loop torque control — stop on target, and log torque and angle for every bolt.
In detail
Station one, turbo and housing bolts: ±0.03 mm repeatability lands deep holes precisely, delivering stable high torque with no late decay.
Station two, studs and hydraulic-valve assembly: the robot picks the stud, aligns, threads and tightens in one flow — easily covering positions a hand can’t reach.
The results
The payoff matters: torque consistency is locked in, every bolt traceable by torque, angle and time, running both shifts unmanned — cutting quality risk and recall exposure together.
Flexibility & changeover
Changeover is simple: drag-to-teach plus program switching means a new model or torque curve is just a parameter change — no new hardware.
Full transcript
- High-torque bolts on turbochargers and gearboxes — can hand tightening really guarantee every single one is right?
- Three pits of high-torque fastening. The torque is high, so hands shake and torque decays late in the cycle. Studs and deep bolt holes are hard to reach and align by hand. And when something fails, you can’t trace which bolt or who tightened it.
- This cell uses a collaborative robot with a servo tightening spindle, driving each high-torque joint by program with closed-loop torque control — stop on target, and log torque and angle for every bolt.
- Station one, turbo and housing bolts: ±0.03 mm repeatability lands deep holes precisely, delivering stable high torque with no late decay.
- Station two, studs and hydraulic-valve assembly: the robot picks the stud, aligns, threads and tightens in one flow — easily covering positions a hand can’t reach.
- The payoff matters: torque consistency is locked in, every bolt traceable by torque, angle and time, running both shifts unmanned — cutting quality risk and recall exposure together.
- Changeover is simple: drag-to-teach plus program switching means a new model or torque curve is just a parameter change — no new hardware.
- From turbochargers to hydraulic valves, a collaborative robot turns high-torque fastening into a precise, traceable, flexible standard process. This is EVST — we make line automation real.
FAQ
What makes this different from manual operation? Three pits of high-torque fastening. The torque is high, so hands shake and torque decays late in the cycle. Studs and deep bolt holes are hard to reach and align by hand. And when something fails, you can’t trace which bolt or who tightened it.
What are the measurable results? The payoff matters: torque consistency is locked in, every bolt traceable by torque, angle and time, running both shifts unmanned — cutting quality risk and recall exposure together.
How hard is changeover to a new part or model? Changeover is simple: drag-to-teach plus program switching means a new model or torque curve is just a parameter change — no new hardware.
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