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Grape Trellis Plum Post vs Strut Profile Lines
Table of Contents
1. Bottom line
Two separate lines in the grape-trellis pack. Plum-blossom (quincunx) tube lines and vine-stake / grape-strut lines both serve vineyard structures, but hole patterns, strip width, BOMs, and speed evidence differ. Do not mix plum-post numbers with strut quotations — and never take door-frame parameters from mislabeled “grape strut” files.
2. Side-by-side (evidence only)
| Topic | Plum-blossom tube | Vine stake / grape strut |
|---|---|---|
| Product | Multi-petal tube section | Vineyard post / stake profile |
| Strip / thickness | ~110 mm strip; ~1.5 mm | ~1.5 mm (High Precision ~1.5–2.5) |
| Punch | H-type hole stand | Hydraulic punch for wire features |
| Forming | ~14 stands; ~φ70; ~11 kW cycloidal | ~14 stands; ~11 kW / ~20 kW total (variant ~15 kW) |
| Speed | Not stated — leave blank | Not locked on vine-stake quote; High Precision cites ~18 / ~10–12 m/min class |
| Process sketch | Uncoil → level → punch → form → straighten → cut | Uncoil → level → punch → form → hydraulic cut → exit |
Industry vineyard-post guides list many stake cross-sections (T, Y, U, C, Omega, S-shape, etc.) as the strut/post category — useful naming context. Plum-blossom remains a distinct multi-petal tube family.
3. Common mistakes
- Publishing a plum-tube m/min borrowed from strut or High Precision docs
- Treating greenhouse kerf/channel FAQ answers as grape-post answers
- Using door-frame parameters from contaminated filenames
- Averaging plum ~11 kW with High Precision ~15 kW into one “trellis power”
4. How to choose
If the drawing is a multi-petal closed tube with H holes and ~110 mm strip — plum. If it is an open or stamped vineyard post with wire notches/holes — strut / vine stake. When unsure, send both drawings and ask for two separate quotations.
5. Inquiry checklist
- Profile drawing(s) labeled plum tube vs stake
- Punch pattern (H-hole vs wire-attachment)
- Thickness / material and whether High Precision tier is intended
- Explicit ban on door-frame misfile parameters
6. Buyer FAQ
Which line should I inquire first?
If the drawing is a multi-petal closed tube with H holes and ~110 mm strip — plum. If it is an open or stamped vineyard post with wire notches/holes — strut / vine stake. Send profile drawings with the inquiry.
Can one line make both?
Evidence treats them as separate lines. Dual-profile economy lines exist in industry for two stake shapes — that is not the same as merging plum tube with strut ratings.
Same stand count means same machine?
No. Both cite ~14 stands / ~φ70 class in places, but punch, strip, product, and speed evidence differ. Keep proposals separate.
Where do greenhouse channel answers go?
Not here. Catalog leafing may sit near greenhouse products; the section answer must still say grape trellis plum or strut.
Final ratings follow the named proposal. Price and lead time are out of scope.
References
- 27-GRAPE-TRELLIS GRAPE-PLUM and GRAPE-STRUT thematic FAQs (boundaries)
- Industry context: grape trellis / stake roll forming category