Specifications.pdf
PDF 162 KB Posted
- Attached to
- Laboratory Thresher Federal contract opportunity
- Solicitation number
- 12805B23Q0692
About this file
This document contains specifications for a laboratory thresher required by the Department of Agriculture Agricultural Research Service Field Research Implementation and Information Delivery Plains Area. The thresher must include a loading hopper, a de-awning bar to separate seeds and awns without injuring seeds, two interchangeable concaves for variable seed sizes, easy disposal of non-seed materials separated into compartments, a seed collection drawer, continuously variable threshing drum speeds, stepless fan adjustment, a 220V 60Hz single phase 2.3 kW electric motor, and a two-wheel chassis less than 34 inches wide. The related federal contract opportunity, solicitation number 12805B23Q0692, is seeking proposals for this laboratory thresher.
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| File | Type | Posted |
|---|---|---|
| CLAUSES AND PROVISIONS 12805B23Q0692.pdf |
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Text version
Specifica�ons for grain thresher:
1. Loading hopper with capacity for feeding bundles consis�ng of mul�ple plants of barley into machine.
2. Thresher must de-awn barley without injuring/killing seeds. De-awning barley with machines that are not specifically designed to de-awn can cause seed injury and seed death resul�ng in the failure of seed germina�on, reduced mal�ng quality, and reduced produc�on following plan�ng. A de-awning bar is necessary to separate seeds and awns without injuring and/or killing the seeds.
3. 2 inter-changeable concaves for threshing variable seed sizes:
• 5 x 15 mm
• 6 x 6 mm
4. Easy disposal of non-seed plant materials. Separa�on of larger materials from smaller materials, and compartmentaliza�on of these materials prior to disposal, i.e. bag holder for straw and collec�on drawer for chaff. Seeds must be clean and free of other plant materials when the threshing process is complete.
5. Seed outlet or collec�on drawer with capacity to hold seed from mul�ple plants.
6. Con�nuously variable threshing drum speeds for smooth, stepless speed adjustments.
7. Stepless fan adjustment to ensure the proper regula�on of cleaning wind speed.
8. 220V, 60Hz, 2,3 kW electric 1 phase motor.
9. 2-wheel chassis with handles for wheelbarrow like movement (10 inch wheels).
10. Overall width must be less than 34 inches.
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