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Supply: igus
igus is launching a brand new power provide system for SCARA robots in cleanrooms: the Clear SCARA Cable Resolution is product of tribologically optimized high-performance plastics and works virtually particle-free in line with ISO Class 2 even in high-speed purposes. It is usually stronger and extra user-friendly than basic corrugated hoses.
In electronics manufacturing, tiny particles invisible to the bare eye can wreak havoc, ruining digital parts, semiconductors, and shows. Subsequently, it’s vital that machines like SCARA robots, which transfer quickly alongside 4 axes in below a second, generate as little friction and contamination as attainable.
Throughout these high-speed purposes, there’s at all times a threat that tiny particles will detach from corrugated hoses and tubes. Sustaining ultra-clean manufacturing circumstances is crucial to forestall microscopic contaminants from damaging electronics.
Simply as microscopic particles can silently destroy manufacturing in electronics, contamination is a continuing risk that have to be guarded in opposition to vigilantly. With machines shifting at excessive speeds under a second, any friction dangers releasing particles that would probably wreck delicate electronics and parts. By minimizing contamination, producers can keep away from catastrophic harm on the smallest scales.
“Discovering a strategy to information cables and hoses on a SCARA robotic in a cleanroom is a science in itself. Quick actions are pure stress for the fabric, which releases unwelcome abrasion particles,” says Matthias Meyer, Head of the triflex and Robotics Enterprise Unit at igus.
For that reason, igus has added a cleanroom variant to the SCARA Cable Resolution power provide system, which it initially developed in 2020.
“The brand new Clear SCARA Cable Resolution is a cleanroom-compatible power provide system for high-speed purposes – dependable, compact, straightforward to make use of, and fast to retrofit,” says Meyer.
ISO Class 2: hardly any particles within the surrounding air, even with the wildest actions
The core of the brand new cleanroom power provide system is the e-skin comfortable, a modular e-chain cable service that guides cables and hoses in an arc from the robotic’s vertical arm to the tip effector. Its separable higher and decrease shells will be mixed to kind a closed, dust-proof, waterproof tube. This ensures that particles from the cables and hoses don’t get into the encompassing air from the within – even throughout the wildest actions.
“To scale back stress on the cables and improve their sturdiness, now we have supplied a rotating mount for the connections to the mounted and shifting ends of the power provide system,” says Meyer. “That’s what is particular concerning the power provide system. On the similar time, the rotary bearings are designed to be virtually particle-free, even throughout probably the most dynamic actions.”
The e-chain itself can also be particularly abrasion-resistant due to tribologically optimized high-performance plastic. Its ISO certification by Fraunhofer Institute consultants confirms this. The Clear SCARA Cable Resolution has ISO Class 2, which means that it’s so abrasion-resistant {that a} most of 100 particles as much as a dimension of 0.1 microns will be present in one cubic meter of air throughout operation. For comparability, a sheet of paper is 80 microns thick, or 800 occasions as thick as a particle.
Clear SCARA Cable Resolution as a substitute for basic corrugated hoses
With its new power provide system, igus presents a substitute for basic corrugated hoses, which has two different benefits moreover cleanroom compatibility. First, the skinny corrugated hoses most frequently used with the SCARA have hardly any inherent rigidity and are, due to this fact, vulnerable to kinking. There isn’t a bearing to soak up torsion and might tear simply.
“In contrast to corrugated hoses, the Clear SCARA Cable Resolution helps itself and has a novel rotary bearing. This makes it ultimate for brief unsupported lengths and extremely dynamic purposes,” says Meyer. “The oval chain geometry is particularly advantageous when lateral forces are utilized because it presents further energy.”
Customary SCARA power provide options use static connections on the shifting and stuck ends. This results in pointless fatigue on the corrugated tube at each factors and elevated put on on the cable package deal. The Clear SCARA Cable Resolution makes use of rotary connections at each ends, which all however eliminates mechanical stress on the power provide system. With the excessive speeds seen in Scara purposes, this enchancment is a sport changer.
The second benefit over the corrugated hose is that the zipper precept makes the Clear SCARA Cable Resolution straightforward to open, enabling customers to insert cables and hoses shortly. An elective inside separation gives further safety that corrugated hoses can’t. Upon request, the shopper can obtain the brand new cleanroom power chain as a ready-to-connect full system with igus chainflex cables. Greater than 900 extremely versatile cables of IPA Class 1 can be found.
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