JY/T 0196-2011Wheat flower model (English PDF)

3.1 Naming rules

The model name of the product is JY 0026-1991.

3.2 Nomenclature

The wheat flower model is named.

SM - XMH - KC - 300

Product height, 300mm Product feature code, removable Product name Pinyin prefix, "wheat flower" Product model classification code, biological model Model example.

SM-XMH-KC-300 represents biological model, wheat flower model, detachable, 300mm high.

4.1 Use environmental conditions

Temperature. -10 °C ~ 40 °C, relative humidity. not more than 90%.

4.2 Anatomy

4.2.1 General requirements

4.2.1.1 The product is an enlarged wheat flower model with a height of 300mm ± 20mm and a compound spike model with spikelets as a unit (at least eight) Type, with a height of 250mm ± 20mm, placed on the stand respectively.

4.2.1.2 The structure of wheat flower is shown as lemma, lemma, stamen, pistil, and paddle.

4.2.1.3 Compound spike model. At least one spikelet can be removed, and at least one spikelet can be removed from glume and lemma.

4.2.1.4 Spikelets show two glumes and three to five small flowers.

4.2.1.5 The morphological structure and color of each part shall be correct, natural and realistic.

4.2.2 Specific requirements

4.2.2.1 The shape and position of the outer and inner palate should be correctly displayed, as well as the fitted state of the two.

4.2.2.1.1 The outer shell is the outer shell of the wheat flower (removable), and it should show a section of the midrib and awn.

4.2.2.1.2 The inner shell is the inner shell of the wheat flower, partially embedded in the outer shell.

4.2.2.2 shows the morphological and structural characteristics of stamens and pistils.

4.2.2.2.1 Three stamens should show filaments and anthers, the tops of the filaments are connected to the middle of the back of the anthers. One of the anthers is longitudinally split, the pollen grains are shown, one cross section shows four pollen sacs and medicinal septum.

4.2.2.2.2 One pistil, stigma bifid, should be feathery and ovary swollen.

4.2.2.3 Two paddles, located between the outer ridge and the ovary.

4.2.2.4 The following parts of the model shall be affixed with name tags or number tags. lemma, lemma, stamens, pistils, paddles.

4.3 Materials and processes

4.3.1 The model should be made of rigid thermoplastics, and glass fiber reinforced plastics (FRP) or fragile and deformable materials should not be used.

material.

4.3.2 The content of heavy metals in the coating of the model shall conform to GB 5.2.5.4 of GB 21746-2008.

4.3.3 The structures represented on the model should be accurate in position and modified naturally and correctly.

4.3.4 Detachable parts shall have strength and toughness, suitable tightness and convenient disassembly. The bonded or spliced part should be firm.

4.3.5 The placement of each spikelet on the cob should be correct.

4.3.6 The color of the structure of each part should be correct and clear, the spraying transition should be natural, and there should be no spillage.

4.3.7 The product shall also comply with JY 0001-2003 sections 5.2, 6.9, 6.12, 6.27, 7.4.3, 7.7 and 9.1 to 9.6.

4.4 Environmental test

4.4.1 The product shall be tested for temperature, humidity, and free drop in accordance with JY 0213-1994 Section 3.1, and shall be subjected to a drop test in an unpackaged state.

4.4.2 The drop height of the drop test in the non-packaging state is 1m. The drop surface shall be the largest surface of the model outline. After the test, it shall not be broken or cracked.

If there is a stand, it should not be included.

5.1 Relevant dimensions

Measured with a steel ruler with a division value of 1 mm.

5.2 Anatomy, appearance and workmanship

Sensory test.

5.3 Environmental test

5.3.1 Temperature, humidity and free fall test According to JY 0213-1994 Section 4.1, 4.2, 4.6.

5.3.2 Drop test in unpacked state. Lay a wooden board with a thickness of 20mm ± 3mm on the cement floor, and keep the board rigidly connected to the cement floor touch. During the test, the model's falling surface is downward, and it will fall freely from a height of 1m. Once tested, it shall meet 4.4.2.

6.1 Inspection classification

The inspection of this product is divided into factory inspection, type inspection and quality supervision inspection.

6.2 Inspection items

The inspection items and methods of factory inspection and type inspection are shown in Table 1.

Table 1 Inspection items and methods of factory inspection and type inspection

Item No. Inspection Item Standard Provisions Factory Inspection Type Inspection

1 General requirements 4.2.1 -

2 Specific requirements 4.2.2 -

3 Materials and processes 4.3 -

4 Environmental test 4.4--Note. "-" in the table means all inspection items, and "-" means no inspection items.

6.3 Sampling methods

6.3.1 The factory inspection shall be batched according to the natural batch of delivery, and the type inspection shall be batched according to the stock array.

6.3.2 During the factory inspection, all the inspection items shall be inspected first, and the sampling inspection items shall be inspected among the qualified products.

6.3.3 The samples for type inspection shall be taken from the products that passed the factory inspection.

6.3.4 The sampling methods for factory inspection and type inspection shall be in accordance with JY 0002.

6.4 Non-conformance determination

6.4.1 The judgment of sampling inspection shall be in accordance with JY 0002.

6.4.2 The failure criterion of a single sample shall be in accordance with JY 0002.

6.4.3 The factory inspection shall be determined according to the unqualified criterion of a single sample.

6.4.4 4.2 of this standard (except for slight defects in the color and spray transition or slight inaccuracy in the spray transition), 4.3.1, 4.3.2, and 4.3.4 is the main performance indicator.

6.5 Review rules

6.5.1 Unqualified products can be submitted for inspection again after rework.

6.5.2 If the cause of the batch failure is a sampling inspection item, the item shall be changed to a full inspection during the re-inspection.

6.6 Quality supervision inspection

Quality supervision and inspection shall be in accordance with JY 0002.