indoor outdoor flooring
Bamboo Floor
home /

Bamboo Floor

/

quality control steps in Engineered Bamboo Flooring manufacture

quality control steps in Engineered Bamboo Flooring manufacture

30 Jul 2019

Quality Control Plan 质量控制计划

 

No.

Process

Test Item

Standard

AQL

1. Raw Material Receiving and Inspection原材料进厂检测

1.1

Strand Woven Bamboo Top Layer

重竹表板

Size

尺寸

(Raw material length)长度为≥1860mm
(Raw material width)宽度为≥136mm
(Raw material thickness)厚度为≥2.3mm

3 pc/plt/batch

3//批次

Appearance

外观

(No worm holes allowed)虫眼不允许

(No crack allowed)开裂不允许

(No severe hollow allowed)严重空洞不允许

5%/batch

5%/批次

Moisture content

含水率

Moisture content≤12% 含水率≤12%

5%/batch

5%/批次

Swelling

膨胀率

Less than 4% in width,

less than 10% in thickness

宽度膨胀率≤4%,厚度膨胀度≤10%

1 time/batch

1/批次

1.2

HDF core

HDF基材

Size

尺寸

(Raw material length)长度为≥2440mm

(Raw material width)宽度为≥1240mm

(Raw material thickness)厚度为≥8mm

3 pc/plt/batch

3//批次

Appearance

外观

分层开胶、鼓泡不允许

Glue delaminate,blistering not accepted

平整度相对边长度的0.3%

Linearity≤0.3% of length

5%/batch

5%/批次

Moisture content

含水率

Moisture content 6-9%

含水率6-9%

5%/batch

5%/批次

Swelling

吸水膨胀率

Swelling≤9%

吸水膨胀≤9%

1 time/batch

1/批次

Density

密度

Density密度≥0.83g/cm3

(Even density板内密度均匀)

3 pc/plt/2batch

3//2批次

CARB & EPA

HDF supplier has CARBEPA certificate

HDF供应商有CARBEPA认证

1 time/batch

1/批次

1.3

Poplar backboard

杨木底板

Size

尺寸

(Raw material length)长度为≥1900 mm

(Raw material width)宽度为≥1250mm

(Raw material thickness)厚度为≥2.3mm

3 pc/plt/batch

3//批次

Appearance

外观

No decay,mould,overlapping

不允许腐朽、不允许的霉变

Seam <2mm, no overlapping

拼缝<2mm,不允许拼接

5%/batch

5%/批次

Moisture content

含水率

Moisture content ≤10%

含水率≤10%

5%/batch

5%/批次

2. Production On-site Inspection

2.1

Sorting

分选

Color

颜色

Compare with reference, raw material will be sorted to dark, medium, light

与色板对照,原料AB级分为深,中,浅三种颜色

100%

片检

Appearance

外观

No mould, worm holes allowed. No splitting on surface allowed. No major color deviation allowed.

霉变虫眼不允许,表面斜丝不允许,板面色差不明显

100%

片检

2.2

Fix length

定长

Length

长度

Only maximum +0.5mm allowed

只允许正公差0.5mm

5pcs/hour

5/小时

2.3

Fix thickness

定厚砂光

Thickness

厚度

Only maximum +0.15mm allowed

只允许正公差0.15mm

5pcs/hour

5/小时

No sanding marks and burning marks allowed 

不允许砂光印和焦痕

100%

片检

2.4

Balance

平衡

(Dry Oven

干燥窑)

Time

堆放时间

Conditioning room should adjust to the corresponding moisture content and stack for 7 days.

根据需要的含水率调好相应平衡含水率环境下堆放7天左右

3 pc/plt/batch

3//批次

Moisture content

含水率

Top board7-8%,HDF 6-9%,base board 5-6%

表板含水率7-8%HDF含水率6-9%,底板含水率5-6%

3 pc/plt/batch

3//批次

2.5

Pressing

压机复合

Pressure

压力

Calculate gauge pressure using area and 12mps/cm2.

根据复压面积和单位压力为12mps/cm2算出表压

100%

片检

Temperature

温度

Temperature should be controlled between 85-90 degree C for hot press glue.

热压胶的温度控制在85--90

100%

片检

Time

时间

Hot press: 2mm board maintain pressure for 5 min and for 3mm board maintain pressure for 6 min (1 min/mm).

热压:2mm表板保压5分钟,3mm保压6分钟,依次1分钟/mm

Cold press: Maintain pressure for 45 min.

冷压:保压45分钟

100%

片检

Glue quantity

涂胶量

140-160g/m2 glue used for hot press glue;

热压胶单层涂胶量为160--140/

190-200 g/m2 glue used for cold press glue

冷压胶为190-200/

100%

片检

2.6

Stacking & Aging

堆放陈化

Time

堆放时间

Stack in conditioning room for 7 days.

堆放养生7

3 pc/plt/batch

3//批次

2.7

Splitting

剖分

Length

长度

(T&G)平扣:(Finished product length)成品长度+10mm, ±0.5mm

(Unilin click)锁扣:(Finished product length)成品长度+15mm, ±0.5mm

5pcs/hour

5/小时

Width

宽度

(T&G)平扣:(Finished product width)成品宽度+8mm, ±0.2mm

(Unilin click)锁扣:(Finished product length)成品宽度+12mm, ±0.2mm

5pcs/hour

5/小时

Thickness

厚度

Final product thickness, only +0.15mm allowed.

成品厚度,只允许正公差0.15mm

5pcs/hour

5/小时

2.8

2-layer UV primer

2道底漆

Appearance

外观

No contamination allowed. No exposed undercoat allowed. No blistering and visible split fiber allowed. No distinct paint agglomeration allowed.

板面污染不允许,漏漆不允许,漆膜鼓泡跳丝不允许,不允许明显堆漆挂漆

100%

片检

Solidification

固化程度

The surface should not stick hand

以不粘手为准

100%

片检

2.9

Precise grooving

开槽榫

Unilin size

锁扣尺寸

Fit and compare with sample reference

用模板互拼和对比检测

5pcs/hour

5/小时

Bevel

倒角

Bevel size should match reference

倒角大小要与样品一致

5pcs/hour

5/小时

Height difference, Squareness

高低差,直角度

Height difference ±0.1mm, Squareness ≤0.15mm

高低差±0.1mm,直角度≤0.15mm.

5pcs/hour

5/小时

Gap

拼接离缝

Gap between boards

拼接离缝≤0.15mm

5pcs/hour

5/小时

3. Semi-finished products inspection半成品检验

 

 

Appearance

外观

No splintering in T+G/unilin connector.

榫槽毛刺不允许

5pcs/hour

5/小时

Peeling

浸渍剥离

delaminate≤1/3 length, max 1pcs

开胶胶层1/3,至多允许一片

1 time/batch

1/批次

Warping

敲曲度

Warp<1% length, Cupping <0.5% length

下弯标准1%的板长,翘曲的标准的0.5%板长                                                     

5pcs/hour

5/小时

4. Finished products inspection成品检验

4.1

UV painting (7-layer primer and 2-layer topcoat)

7道底漆+2道面漆

Appearance

外观

No contamination allowed. No exposed undercoat allowed. No blistering and visible split fiber allowed. No distinct paint agglomeration allowed. No distinct waving allowed. Color and clearness should match with reference.

板面污染不允许,漏漆不允许,漆膜鼓泡跳丝不允许,不允许堆挂漆,允许不明显波纹,上色的色系要相符和油漆清晰度与样板相符

5pcs/hour

5/小时

Gloss

油漆光泽度

Compare with reference, Gloss range is ±5%

与样品对照,亮度范围为±5

5pcs/hour

5/小时

Adhesion, Wear layer,

Paint hardness

附着力耐磨度硬度

Adhesion ≥level 1, Wear layer≤0.08g/100r, Paint hardness≥2H

附着力≥2级,油漆耐磨度≤0.08g/100r,漆膜硬度≥2H

2 time/batch

2/批次

4.2

Packing

包装入库

Shipping box

packaging

出货包装

Shipping box size, construction & shipping marks 外箱大小,结构及出货唛头

Cardboard color卡板颜色  Pieces per box每箱数量  Boxes per pallet每托盒数

UPC bar code UPC条形码  Unilin sticker Unilin标签  Production date label生产日期标签

CARB/EPA label CARB/EPA标签

100%

片检

Color Shade

色调深中浅

Compare with Standard sample. Final product sort to Light=Yellow, Medium=Green, Dark=Red and put corresponding label on cartoon

跟标准样品对比,最终产品分选出浅=黄色,中=绿色,深=红色,并在纸箱上贴上对应的标签

100%

片检

 

 

CONTACT US FOR A QUOTE

You can contact us any way that is convenient for you. We are available 24/7 via fax, email or telephone.
chat now CONTACT US FOR A QUOTE
You can contact us any way that is convenient for you. We are available 24/7 via fax, email or telephone.