Harmonic drives: Kling the flexspline; do not redraw the wave generator

This is the assembled cup-type unit, not industrial-gearbox-oem's ratio slide and not servo-motor-oem's shaft spin. Silent Kling O1 (audio null, 3–10s) articulates the photographed flexspline; a model that invents tooth count sold a different reduction. /for/robotics-companies is the cell story, not this SKU.

A harmonic-drive listing that ships is the catalog photo you already signed — cup-type flexspline, circular spline, wave-generator ellipse inside — then a few seconds of that thin wall actually flexing. It is not a Qwen board of 80:1. It is not a servo faceplate with a shaft turn. It is not a constructed applications engineer walking strain-wave theory. Buy flexspline motion on a locked still. Do not buy a talking host, and do not let the model reprint the teeth.

Photograph the assembled cup-type unit

Photograph the unit square, or use the pack still the plant already approved. Crop so the cup, countable teeth, and elliptical wave generator read. Send that file to image-to-video. The prompt is physics only: flexspline articulates, wave generator rotates in place, circular spline locked, no new teeth. Re-describing the drive is how the model starts drawing a second generator.

Do not generate a different cup depth or a tooth count the datasheet does not print. Wrong geometry on a strain-wave unit is a spec miss. If the still is a muddy phone snap, reshoot. Ten seconds of a soft cup is a longer soft cup.

Ratio and hysteresis lines are type you typed. They do not belong in the motion prompt. Gearbox ratios belong on a Qwen slide, not inside the prompt is the industrial-gearbox leftover: service factor and mounting on a lettered board. That page is a helical catalog slide. This page is a photographed cup. Do not twin the slide as a harmonic-drive ad.

Silent Kling O1 articulates the flexspline

Kling O1 Image to Video is the still-to-motion row: a required image, durations 3s–10s, listed 56 credits. Catalog audio is unset. Do not claim a native voice file. The job is the cup.

Iterate at 3s, 4s, or 5s. Until the tooth count holds, stay short. Prompt the flex, not the application. “Wave generator rotates inside locked flexspline, camera static, circular spline unchanged, tooth count unchanged.” Stop. Because audio is unset, treat the file as silent until you score it. Keep lips out of frame.

A model that invents tooth count sold a different reduction. An 80:1 cup grows a 50:1 cousin. The ellipse rounds into a circle. Throw those takes out. Do not “fix the ratio” in a second prompt on a drifted still. Reshoot or recrop, then animate again. No max output resolution is listed on this slug — do not invent 1080p. Judge the output on the still you fed.

Turbo is silent text-to-video when you do not have the still

Kling 3 Turbo Text to Video is fast text-to-video: audio false, 3s–15s, 1080p, no still required, 12 credits, discounted. The file is silent. Use it when you need generic strain-wave physics and you do not have a cup photo. Quoted lines in the prompt do not become a soundtrack. Aspects: 16:9, 9:16, 1:1. Ceiling 1080p. Iterate at 3s, 4s, or 5s.

Turbo will invent a drive. That is acceptable only when the listing does not have to match this cup. If the tooth count or wave generator have to be yours, you are back on O1 with the still. Turbo will not letter 80:1. Overlay the line you wrote.

Servo shafts rotate in Kling silence after the faceplate holds is the cousin leftover: flange, connector, then a shaft turn. That page is a motor. This page is the cup behind the motor. Do not treat the servo faceplate as this SKU.

Robotics companies is the cell, not this cup

Robotics companies is a nearby audience with a different plate: an uncut cell at real speed, integration, cycle time, a sceptical engineer who assumes the demo is faked. That page is the system. This page is the harmonic-drive SKU. Do not rewrite the robotics page as a cup orbit, and do not import its “one take at real speed” brief as a licence to generate a talking applications engineer on a reducer you invented.

If the buyer has to recognise this flexspline, you are here. If the buyer has to see an uncut arm on a line, you are on the robotics page, and that tape is a shoot, not a prompt. Silent Kling articulates the flexspline. The listing does not need a host. It needs the tooth count to hold. Pause on the wave generator. If it is not the ellipse you sell, the take is waste.

FAQ

Can I put a motion-control engineer on camera with Kling?

Not as this generate. O1 has no native-audio promise. Turbo is silent (audio false, 3–15s, 1080p, 12 credits discounted). A constructed host explaining a reduction is out of scope. If someone must speak, put a real named person on a different day.

Why O1 instead of Turbo for the catalog cup?

Because the flexspline has to be this flexspline. O1 image-to-video takes the still (3–10s, 56 credits, audio unset). Turbo text-to-video invents a cousin drive. Use Turbo only when a generic silent cup is enough.

Does locking the still mean I can prompt the tooth count instead of photographing it?

No. The still is the tooth count. A sentence will mint a cousin reduction. Upload the catalog photo and describe only the flex. If the generate redraws teeth, throw it out.

How is this different from /for/robotics-companies?

Robotics companies is the uncut cell, integration, and a sceptical technical buyer. Harmonic-drive OEM is the cup-type still and a silent flexspline articulation. Different plate. Different page. Do not merge them in one generate.