T/GDEIA 4-2019 Active Group standards

T/GDEIA 4-2019 Multi-layer co-extrusion digital control blown film unit

Publish Date: 2019-01-01 Implement Date: 2019-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 20.00

Out of stock

Basic Information

Standard Code: T/GDEIA 4-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Machinery for rubber and plastic processing

ICS Name: Rubber and plastic industrial equipment

Publish Date: 2019-01-01

Implement Date: 2019-01-01

Scope

Scope: This standard applies to double-layer, triple-layer, and five-layer co-extrusion digital control blown film units. Single-layer blown film units can refer to this standard for implementation. Main technical content: - Main technical parameter items and units: - Five-layer co-extrusion blown film unit: SJ (5) - 55/65/75/65/55 - 2000 - Triple-layer co-extrusion blown film unit: SJ (3) - 55/65/55 - 1800 - Double-layer co-extrusion blown film unit: SJ (2) - 75/75 - 1800 - Screw diameter (mm): Φ55/65/75/65/55, Φ55/65/55, Φ75/75 - Film blowing width (mm): 1100–1800, 1000–1600, 1100–1700 - Maximum output (IBC + internal cooling) (kg/h): 400, 260, 160 - Die head diameter (mm): φ400/φ450, φ350/φ400, φ400 - Screw length-to-diameter ratio: — 30:1, 30:1, 30:1 - Wind ring diameter (mm): 450/500, 400/450, 450 - Main motor power (kw): 37/45/55/45/37, 37/45/375/55 - Film bubble internal cooling system width accuracy (IBC) (mm): ±8, ±8, ±8 - Winding method: — Surface center gap winding or fully automatic back-to-back friction double winding, surface center gap winding or fully automatic back-to-back friction double winding, fully automatic (or manual) back-to-back friction double winding - Blowing film correction accuracy (mm): ±1.8, ±1.8, ±1.8 - Tension control range (N/m): 0–1000, 0–1000, 0–100 - Tension automatic adjustment accuracy (%): ±2%, ±2%, ±2% - Maximum sound pressure level (dB(A)): ≤85, ≤85, ≤85 - Optional features: Implemented according to contract requirements - Blown film unit blowing film quality requirements: - Product film thickness limit deviation: - Product film thickness (mm): 0.020–0.050, ±8%–±15% - 0.051–0.090, ±7%–±8% - 0.091–0.150, ±6%–±7% - Film appearance quality: - The film should be firm, flat, and clean; the surface should be free from obvious wrinkles, stripes, bubbles, white spots, scratches, impurity contamination, etc. - The rolled film should not have obvious