في صناعة تصنيع الأسلاك والكابلات التي تتطلب كفاءة عالية، تُعدّ بكرات اللف المتينة والموثوقة ضرورية للإنتاج بكميات كبيرة، والمعالجة الفعّالة، والشحن الآمن للملفات النهائية. صُممت بكرة عملية الحافة المعدنية المحسّنة PN630-1250 (المعروفة أيضًا باسم بكرة الفولاذ المضغوط ذات الحافة المعدنية المحسّنة أو بكرة EMF) خصيصًا للتطبيقات الشاقة. تُصنع هذه البكرات الصناعية من فولاذ مضغوط عالي القوة مع حواف معدنية معززة، مما يوفر صلابة استثنائية، ودقة عالية في التمركز، ومتانة طويلة الأمد في ظل التشغيل المستمر عالي السرعة.
Designed for both process (take-up/pay-off) and one-way shipping use, the PN630-1250 series supports cable, steel wire, steel rope, copper, aluminium, and welding wire production lines, helping manufacturers reduce downtime, improve coil quality, and optimize logistics.
1. Primary Applications
The PN630-1250 Enhanced Metal Flange Process Bobbins are ideal for:
- High-speed stranding, drawing, bunching, and extrusion lines for power cables, communication cables, and specialty conductors
- Processing and packaging of steel wire, steel rope, copper wire, aluminium wire, and welding wire
- One-way shipping reels and reusable process bobbins in wire rod mills and cable factories
- Heavy-load take-up and pay-off operations where enhanced flange strength is required to prevent deformation
Their robust construction makes them perfect for both in-house production and export packaging of large-diameter or high-tensile wire and cable coils.
2. Structural Design & Engineering
These bobbins feature a classic pressed steel construction with enhanced metal flanges for superior load-bearing capacity and flange rigidity. Key design elements include:
- Precision-formed pressed steel flanges and barrel
- Reinforced hub and support structure to maintain concentricity under heavy tension
- Smooth surfaces for uniform wire layering and easy coil removal
- Standardized center bore and flange dimensions for compatibility with most stranding and cabling machines
The enhanced flange design provides extra strength compared to standard pressed steel bobbins, ensuring stable performance even with large, heavy coils.
3. Key Features & Benefits
- Heavy-Duty Pressed Steel Construction – High rigidity and impact resistance for continuous industrial use
- Enhanced Metal Flanges – Increased flange strength reduces deformation and extends service life
- Versatile Process & Shipping Use – Suitable for both reusable process reels and one-way shipping applications
- Excellent Concentricity & Balance – Precision manufacturing ensures smooth high-speed operation
- Customization Available – Dimensions can be tailored to customer specifications
4. Industry Standards & Specifications
PN630-1250 bobbins are manufactured in full compliance with international standards:
- GB4004-83
- JB/T8997.4-1999
- DIN 46395
Flange dimensions are produced according to customer drawings or the above standards.
المواصفات الفنية (representative models):
| Specification |
d₁ (mm) |
d₂ (mm) |
d₃ (mm) |
L₁ (mm) |
L₂ (mm) |
Variable Size |
| Φ630 |
Φ630 |
Φ350 |
+1.00 Φ800 +0.50 |
444 |
400 |
d₂ |
| Φ760 |
Φ760 |
Φ408 |
+1.00 Φ800 +0.50 |
410 |
360 |
d₃ |
| Φ860 |
Φ860 |
Φ430 |
+1.00 Φ800 +0.50 |
430 |
380 |
— |
| Φ1150 |
Φ1150 |
Φ780 |
+1.00 Φ800 +0.50 |
318 |
255 |
L₁ |
| Φ1250 |
Φ1250 |
Φ630 |
Φ80 |
950 |
800 |
L₂ |
Note: Custom sizes, bore diameters, and surface treatments (e.g., painting) are available upon request.
5. Why Choose PN630-1250 Enhanced Metal Flange Process Bobbins?
For cable and wire producers handling heavy or high-tensile materials, the enhanced flange design provides measurable advantages in strength, stability, and operational efficiency. These bobbins minimize flange distortion, support higher winding speeds, and reduce overall production costs through longer service life and reliable performance.
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