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Four programmes written from the component and the duty it has to survive: what the part does, which material family was used, how it was moulded, and what we cannot state because the customer has not released the data.

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Case Studies

Four production programmes we have supplied. Each is written from the component and the duty it has to survive rather than from a sales brief. Customer identities are withheld, and where a customer has not released test data we say so rather than publishing a number.

Everything below is limited to what we can evidence: the component, the material family, the process we ran and the duty the part was designed for. Where a customer has not released performance or life-cycle data, no figure appears here. The images show the component family, not a specific customer part: the robotics images are shape-altered at the customer's request and are not the production geometry.

Silicone Components for a Humanoid Robot Finger

Representative silicone contact and sealing components for a humanoid robot hand
FieldDetail
SectorRobotics OEM (customer name withheld)
ComponentFinger contact and sealing components for a humanoid robot hand
Where it sitsOn an articulated finger, as the contact surface and the sealing element around it. The part is loaded every time the hand closes.
Duty it must surviveWear under repeated contact and articulation, while holding consistent tactile behaviour.
MaterialSilicone compound, moulded to the customer drawing.
ProcessCompression moulding with in-house tooling. First-article samples for fit and function before production, then locked process parameters with dimensional and hardness records with each shipment.
Performance dataNOT PUBLISHED. The robotics customer has not released test or life-cycle data for this component, so no figures are stated.
RelatedRobotics industry page and the custom silicone parts family.

Gripper Protective Sleeves for Robot Fingers

Representative silicone protective sleeves for robotic gripper fingers
FieldDetail
SectorRobotics OEM (customer name withheld)
ComponentProtective sleeves that fit over the robot fingers of a gripper
Where it sitsOver the finger, as the part that physically touches whatever the robot picks up. It is the first thing to wear, and it protects the finger assembly underneath it.
Two applications supplied(1) Grippers that handle and fold household laundry. (2) Grippers that pick and sort parcels on a sorting line. The compound is matched to the surface being handled - soft textile against abrasive parcel board and tape.
Duty it must surviveWear at the contact face under continuous picking, with grip that stays consistent as the sleeve wears.
MaterialSilicone, moulded to the customer drawing.
ProcessCompression moulding with in-house tooling. First-article samples for fit and function before production, then locked process parameters with dimensional and hardness records with each shipment.
Performance dataNOT PUBLISHED. The robotics customer has not released wear-test or life-cycle data for this component.
RelatedProtective sleeves, and the robotics industry page.

Vibration Damping Silicone Components for Robotic Equipment

Silicone damping and isolation components moulded to customer drawings
FieldDetail
SectorRobotics OEM (customer name withheld)
ComponentSilicone damping and isolation components
Where it sitsBetween a moving assembly and its mounting point, to reduce the vibration transmitted into the structure.
Duty it must surviveDamping behaviour across the service temperature, with stable compression set under repeated cycling.
MaterialSilicone damper compound. Hardness is chosen against the mass and the frequency of the assembly, not from a standard range.
ProcessCompression moulding to drawing, in-house tooling, first-article samples, locked process parameters, inspection records with each shipment.
Performance dataNOT PUBLISHED. No customer-released test data.
RelatedSilicone vibration dampers, and the robotics industry page.

Silicone Keypad for a Professional Two-Way Radio

Custom moulded silicone keypad for a handheld two-way radio
FieldDetail
SectorProfessional communications equipment
ComponentCustom silicone keypad
Where it sitsThe user interface of a handheld two-way radio, actuated repeatedly in the field.
Duty it must surviveWear on the actuation surface and the legends, with tactile response held consistent over repeated actuation.
MaterialSilicone, moulded to the customer drawing.
ProcessCompression moulding with in-house tooling, first-article samples, locked process parameters, dimensional and hardness inspection records.
Performance dataNOT PUBLISHED. No customer-released test data.
RelatedCustom silicone keypads and conductive silicone keypads.

What These Write-Ups Deliberately Do Not Claim

Three of the four programmes above are robotic, and the sealing duty in each is described against the failure mechanisms that actually occur on a moving joint in robotic joint seals. All four were produced as bespoke rubber parts on tooling we designed and built in-house.

Zhengao Electronics — Custom Silicone & Rubber Engineering Partner. Dongguan, Guangdong, China. ISO 9001:2015. cuckoo@silicon-rubbers.com

Have a comparable duty to design for?

Describe the component and what it has to survive - wear, vibration, actuation cycles, temperature, cleaning. We will tell you which compound family we would start from and what the project would involve.

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Prefer email? cuckoo@silicon-rubbers.com