There are some jaw plates that are designed to 1 piece or 2 pieces. Different designs suit different jaw crushers and working conditions. Normally, large jaw crusher jaw plates are originally designed to use a 2 piece jaw die design, while the smaller jaw crushers used a 1 piece jaw die design. A 1 piece jaw design is now also designed for some large crushers.
![1 piece and 2 piece jaw plate design](https://www.qimingmachinery.com/wp-content/uploads/2020/06/1-piece-and-2-piece-jaw-plate-design-300x165.jpg)
1 piece and 2 piece jaw plate design
Benefits of 1 piece jaw plate design
- Under this design, it can get much faster jaw plate replacement, which can less downtime
- It can decrease necessary wear parts, such as the center wedges not required
- More easily to install, which suit for limited maintenance space, mobile applications
Benefits of 2 pieces of jaw plate design
- Longer lifetime expectation (when changed as recommended)
- Standard lifting tool supplied with the crusher
- Reduced scrap rate and cost/ ton
- Good nip angle if jaws are rotated according to recommendations