Электрическая печь для сушки струйным обдувом JT-101-4BS

Mid-Capacity Industrial Oven for Carrier Tape Material Pre-Treatment

---

Introduction

The JT-101-4BS Electric Blast Drying Oven is a mid-capacity industrial drying solution engineered for the pre-treatment of thermoplastic materials used in carrier tape manufacturing. Before polycarbonate (PC), polystyrene (PS), or PET sheets can be thermoformed into precision carrier tape pockets, they must be thoroughly dried to remove entrained moisture—a critical step that directly impacts forming quality and dimensional stability.

During carrier tape production, the polymeric sheet must be heated to its softening temperature, typically between 120°C and 300°C, depending on the material gauge and type . Any residual moisture present in the material vaporizes during this heating, creating bubbles, voids, or surface defects that compromise pocket integrity and cause rejects. The JT-101-4BS provides the controlled thermal environment required to eliminate moisture before forming, supporting production that meets EIA-481-D quality standards for embossed carrier tape.

---

Key Technical Specifications

Parameter	Specification
Model	JT-101-4BS
Series	DHG Series Electric Blast Drying Oven
Heating Location	Rear-mounted heating (default)
Chamber Material	Stainless steel
Chamber Dimensions (H×W×D)	800mm × 800mm × 1000mm
Chamber Volume	640 Liters
Voltage / Power	380V / 4500W (4.5kW)
Temperature Range	Ambient +10°C to 300°C
Temperature Resolution	0.1°C
Timing Range	99 hours 99 minutes, or continuous operation
Number of Blowers	2
Blower Speed Control	Yes (high/low speed adjustment)
Number of Shelves	6 shelf positions
Shelf Spacing	14 cm
Standard Shelves Included	2
Overall Dimensions (H×W×D)	1300mm × 910mm × 900mm

---

Why Moisture Control Matters

Thermoplastic materials used for carrier tape are inherently hygroscopic—they absorb moisture from the surrounding air. As documented in carrier tape manufacturing patents, drying plastic sheets before processing is essential to evaporate extant moisture .

During the forming process, the tape is heated to its softening point. Any moisture present vaporizes, causing:

• Surface bubbles and voids — Cosmetic defects that fail visual inspection
• Pocket deformation — Inconsistent pocket depth (K0) and geometry
• Reduced impact strength — Compromised mechanical properties
• Poor dimensional stability — Shrinkage and warpage after cooling

For polycarbonate carrier tapes, which must withstand drying temperatures up to approximately 125°C without deleterious effects, proper pre-drying is particularly critical . The JT-101-4BS provides the precise thermal environment needed to condition materials before they enter the forming line.

---

Precision Engineering for Consistent Drying

1. Forced Air Circulation System

The JT-101-4BS features a forced air circulation system with two blowers that distribute heated air uniformly throughout the 640-liter chamber. This design ensures:

• Temperature uniformity — Consistent heating across all shelf positions
• Efficient moisture removal — Continuous air exchange carries away evaporated moisture
• Reduced drying time — Active air circulation accelerates the drying process

The blowers offer high/low speed adjustment, allowing operators to optimize airflow for different material types and batch sizes. Materials with different thicknesses and moisture absorption characteristics can be processed with tailored airflow settings.

2. Precise Temperature Control

The JT-101-4BS provides precise thermal regulation with:

• Wide operating range — Ambient +10°C to 300°C accommodates all common carrier tape materials
• 0.1°C resolution — Fine adjustment capability for sensitive materials
• Digital control — Microprocessor-based temperature regulation
• Stainless steel chamber — Prevents contamination and ensures easy cleaning

3. Flexible Operation

The JT-101-4BS supports multiple operational modes:

• Timed operation — 99 hours 99 minutes maximum, or continuous operation
• High/low blower speed — Adjustable airflow
• Rear-mounted heating — Efficient heat distribution

4. Compact Mid-Capacity Design

With a 640-liter chamber and overall dimensions of 1300mm × 910mm × 900mm, the JT-101-4BS provides ample processing capacity while occupying a reasonable footprint—ideal for production facilities where space is at a premium.

---

Applications in Carrier Tape Production

• Raw material drying (pre-forming) — PC, PS, and PET sheets must be dried before entering the forming machine to prevent moisture-related defects
• Pre-heating — Bringing materials to a consistent temperature before forming
• Quality assurance testing — Material stability verification at elevated temperatures

---

Why Choose the JT-101-4BS?

1. Ideal Mid-Capacity

With 640 liters of chamber volume, the JT-101-4BS balances processing capacity with a compact footprint, making it suitable for production lines with moderate throughput requirements.

2. Precise Control

0.1°C resolution and digital control ensure that materials are conditioned at precisely the right temperature, batch after batch.

3. Uniform Heating

Two blowers with adjustable speed provide consistent airflow and temperature distribution, eliminating hot spots.

4. Flexible Configuration

With 6 shelf positions, 2 standard shelves, and continuous or timed operation, the oven adapts to different production requirements.

5. Durable Construction

The stainless steel chamber and robust construction ensure long service life.

---

Conclusion

The JT-101-4BS Electric Blast Drying Oven delivers precise thermal control and reliable performance for carrier tape material pre-treatment. By ensuring that PC, PS, and PET materials are properly dried before forming, this oven helps prevent moisture-related defects and maintain the dimensional accuracy required by EIA-481-D standards.

For detailed technical specifications and pricing information, please contact our sales team.