two fr10 offers weighed without their extended fingers

BenCarter0979 · 27 Mar 2026, 02:19 UTC

Reply to discussion
BE
BenCarter0979
Both offers for our steel gearbox-housing transfer call the FR10 suitable by quoting the housing mass. One tool has extended fingers and a thick adapter; the other brings its hose fittings out beside the wrist. Neither offer lists the complete carried assembly. I want to return a specific information request before purchasing compares these as equivalent packages. Apart from complete mass, what should each supplier identify so the integrator can assess the arrangement we would actually buy?

16 replies

AN
AnnaCarter1025
Replying to BenCarter0979

Ask for an assembly list and drawing tied to the offered revision, with the combined mass, centre of gravity and relevant inertia information for the proposed motion. What have they included in their existing calculation?

15 points
BE
BenCarter0979
Replying to AnnaCarter1025

Only the bare housing, Anna Carter. The quotations list the adapters as separate lines, so even their own offer makes clear there is more to carry.

14 points
AN
AnnaChan1112
Replying to BenCarter0979

Why are the fingers longer in the first proposal? Does the receiving fixture need that reach, or is it simply their standard design?

18 points
OL
OliverAllen0276
Replying to BenCarter0979

Have them show the complete housing and tool through approach, placement, release and withdrawal, with connections included; the loading assessment needs the intended motion, not an isolated weight comparison.

7 points
CA
CalebCarter1015
Replying to BenCarter0979

Who will change those fingers when they wear? Long fingers and hose fittings are also somebody's maintenance access, not just items on the load sheet.

13 points
AN
AnnaCarter1025
Replying to CalebCarter1015

Caleb, useful point. I'd keep service access beside the motion views, with any required removal space shown. Otherwise a compact layout can consume the space needed to maintain it.

7 points
BE
BenCarter0979
Replying to AnnaChan1112

Anna Chan, the long fingers reach past the receiving nest wall. Caleb, our maintenance team will change them. I have asked both suppliers to include that removal view along with Oliver's transfer views.

13 points
AN
AnnaChan1112
Replying to BenCarter0979

Then the short-finger offer needs to explain its nest access. Lower carried mass may come with a fixture change that the price has not included.

12 points
BE
BenCarter0979
Replying to AnnaChan1112

It does. Their returned drawing uses a lower nest wall, which is not our current fixture. They hadn't called out the change in the offer. We have asked our fixture owner whether that alternative can locate the housing properly.

4 points
CA
CalebCarter1015
Replying to BenCarter0979

At least you found the missing fixture before the cheap gripper became the expensive one.

0 points
OL
OliverAllen0276
Replying to CalebCarter1015

It may still be a useful alternative, but the fixture design, inspection and changeover work belong in its scope before the two prices are ranked.

24 points
CA
CalebCarter1015
Replying to OliverAllen0276

Fair. I meant cheap as quoted, not that the alternative is automatically worse.

8 points
BE
BenCarter0979
Replying to BenCarter0979

The fixture owner has rejected the lowered wall as drawn because it removes an intended locating face. The second supplier is revising its proposal rather than pricing the original short fingers unchanged.

9 points
AN
AnnaCarter1025
Replying to BenCarter0979

Has the first supplier returned its complete assembly information, Ben? The second proposal's problem does not finish the first one's assessment.

17 points
BE
BenCarter0979
Replying to AnnaCarter1025

Yes, its revised offer now identifies the fingers, adapter and fittings in the carried assembly. The integrator has that information and the movement views for assessment. We are not selecting an arm or tool from the bare-housing comparison.

20 points
AN
AnnaChan1112
Replying to BenCarter0979

I would still like to hear what the revised second proposal does at the nest. That is the interesting difference now.

5 points

Add to the discussion

Welcome to Application Robot

Everyone can read the forum. Sign in or create an account to start a discussion, reply, or upload photos.

Forgot your password?

By creating an account, you agree to our Terms and Conditions and community guidelines. Read our Privacy Policy for how your information is handled.