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Home · Products · Exothermic Welding Solution · Exothermic Welding Mold · Horizontal T Connection (CW) · CW1 "T" Copper Rod to Rod Welding Mold

CW1 "T" Copper Rod to Rod Welding Mold Wholesale

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  • CW1
  • CW1
  • CW1
Shaoxing Sweld Electric Co., Ltd.

CW1 "T" Copper Rod to Rod Welding Mold

Description
CW1 is designed for T-type connections between copper rods, where one rod is connected perpendicularly to another.
It ensures proper filling at the joint intersection and strong mechanical bonding.


Application
Grounding grid branching
Structural earthing systems


Features
T-type cavity for perpendicular connections
Ensures full weld penetration at the joint
Stable and durable connection structure

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  • Product Details
  • FAQ
Conductor A Conductor B Exothermic Welding Powder Model
16mm² 16mm² 45#
25mm² 25mm² 45#
35mm² 35mm² 65#
35mm² 25mm² 65#
35mm² 16mm² 65#
Φ8mm Φ8mm 65#
50mm² 50mm² 90#
50mm² 35mm² 65#
50mm² 25mm² 65#
Φ10mm Φ10mm 90#
70mm² 70mm² 90#
70mm² 50mm² 90#
70mm² 35mm² 90#
70mm² 25mm² 90#
95mm² 95mm² 115#
95mm² 70mm² 115#
95mm² 50mm² 115#
95mm² 35mm² 115#
120mm²(Φ14mm) 120mm²(Φ14mm) 150#
120mm²(Φ14mm) 95mm² 150#
120mm²(Φ14mm) 70mm² 150#
120mm²(Φ14mm) 50mm² 150#
150mm²(Φ16mm) 150mm²(Φ16mm) 200#
150mm²(Φ16mm) 120mm²(Φ14mm) 150#
150mm²(Φ16mm) 95mm² 150#
150mm²(Φ16mm) 70mm² 150#
185mm² 185mm² 200#
185mm² 150mm²(Φ16mm) 200#
185mm² 120mm²(Φ14mm) 150#
185mm² 95mm² 150#
240mm² 240mm² 300#
240mm² 185mm² 250#
240mm² 150mm²(Φ16mm) 250#
240mm² 120mm²(Φ14mm) 250#
300mm² 300mm² 400#
300mm² 240mm² 400#
300mm² 185mm² 300#
300mm² 150mm²(Φ16mm) 300#

Note: If the cross‑section of the main conductor is ≥250 mm² and the cross‑section of the branch conductor is no less than half of the main conductor cross‑section, cut off the main conductor and reserve a 3 mm gap between the main conductor segments.

Mold Structure

A standard exothermic welding mold typically includes:
Component Description
Mold Body Main graphite structure containing the weld cavity
Mold Cover The top part is used to seal the mold during the reaction
Reaction Chamber The space where welding powder reacts
Weld Cavity Area where molten metal forms the final weld
Flow Channel Guides molten metal into the weld cavity
The mold must be used together with a mold clamp to keep the mold tightly closed during welding.

Key Features

Feature Description
Precision Machining Accurate mold alignment ensures consistent weld quality
Optimized Flow Design Smooth molten metal flow reduces porosity and defects
High Temperature Resistance Withstands the extreme heat generated during the welding reaction
Stable Weld Formation Produces strong and reliable weld joints
Easy Operation Designed for fast and simple field installation

Service Life

Typical mold lifespan:
50 – 200 weld cycles
Actual service life depends on several factors:
Proper welding operation
Adequate cooling time
Regular cleaning and maintenance
Correct handling can significantly extend the lifespan of the mold.

Maintenance & Usage Tips

To ensure stable welding results and extend mold life:
Allow proper cooling
Wait about 15–20 seconds after the reaction before opening the mold.
Clean the mold cavity
Remove residual slag after each weld using a brush or copper wire brush.
Avoid mechanical damage
Handle molds carefully to prevent cracks or deformation.
Keep molds dry
Store molds in dry conditions to maintain structural stability.

FAQ – Exothermic Welding Mold

Q1: What material are exothermic welding molds made of?
Most molds are made from high-density graphite, which provides excellent heat resistance and allows precise shaping of the weld cavity.

Q2: How do I choose the correct mold?
The mold must match:
The type of connection (cable-to-rod, cable-to-cable, cable-to-steel, etc.)
The size of the conductors
The required welding powder amount
Each mold is designed for a specific welding configuration.

Q3: How many times can a mold be used?
A typical mold can be used 50–200 welding cycles, depending on proper usage and maintenance.

Q4: Why do welds sometimes stick to the mold?
This may occur if:
The mold is opened too early
The mold cavity is not cleaned properly
Excess heat accumulates in the mold
Allowing proper cooling time usually solves this issue.

Q5: Do molds need to be replaced frequently?
No. With proper cleaning and cooling procedures, molds can be used for many welding cycles before replacement is necessary.

Q6: Do I need a clamp to use the mold?
Yes. A mold clamp is required to hold the mold firmly closed during the welding reaction to ensure safety and welding quality.

Related Products

  • Exothermic Welding Powder
  • Exothermic Welding Mold
  • Mold Clamp
  • Welding Toolkit

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About Us
Shaoxing Sweld Electric Co., Ltd.
Shaoxing Sweld Electric Co., Ltd. is China CW1 "T" Copper Rod to Rod Welding Mold Suppliers and CW1 "T" Copper Rod to Rod Welding Mold Factory, was established in 2018, located in Shengzhou, Shaoxing, China, the hometown of Shaoxing Opera. Covers an area of 3000 square meters, has a professional technical team and sales elite, a total of more than 50. The factory mainly produces exothermic welding powder and a complete set of products, including Ground rods, Ground wire, Stranded Wire, all kinds of electrical hardware connection parts and lightning rod products. We have an annual production capacity of 500 tons of exothermic welding powder, providing various packaging solutions. Equipped with 7 high-speed CNC machining centers, with a daily production capacity of 180 sets of exothermic welding molds, it can provide customers with real-time design and manufacturing molding. Sweld has passed ISO9001 quality management system certification, ISO14001 environmental management system certification, and ISO45001 occupational health and safety management system certification. And we also provide exothermic welding powder export special dangerous package certificate, exothermic welding molds export license, all kinds of products have passed the national certification laboratory product testing certification.
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