ยันศูนย์เป็น (Live Centers) คืออุปกรณ์ที่ใช้ติดตั้งบนยันศูนย์ท้ายแท่น (Tailstock) ของเครื่องกลึง เพื่อประคองชิ้นงานที่มีขนาดยาว ป้องกันไม่ให้ชิ้นงานแกว่งหรือโก่งงอขณะกลึง
Type C
For high speeds with center 60°
Type CV
For high speeds with extended point
Type CK
For high speeds (interchangeable inserts)
Type RV
With pressure indication with extended point
Type RK
With pressure indication (interchangeable inserts)
Top quality centers
precision mechanics
Type C
For high speeds with center 60°
Type CV
For high speeds with extended point
Type CK
For high speeds (interchangeable inserts)
Type RV
With pressure indication with extended point
Type RK
With pressure indication (interchangeable inserts)
Type D
For general lathe work point 60°
Type DV
For general lathe work with extended point
Type DM
With short point for high weights
Type DA
With interchangeable head for tubular workpieces
Type DH
With carbide inserts for finish machining at high speeds
Type DK
For regular lathe work (interchangeable inserts)
Type TLG
For light to medium lathe work with large extended point
Type TFK
For light to medium lathe work with small female point
Type TFM
For light to medium lathe work with medium female point
Type TFG
For light to medium lathe work with large female point
Type TK
For light to medium lathe work (interchangeable inserts)
Type TER
For light to medium lathe work with collet holding fixture
Type ON
With pressure indication point 60°
Type OV
With pressure indication with extended point
Type PN with cover disc
High accuracy live center 60°
Type PN with extraction nut
High accuracy live center 60°
Type PH with cover disc
High accuracy live center 60° with carbide point
Type PH with extraction nut
High accuracy live center 60° with carbide point
KS
Full male center insert
KH
Female center insert
KV
Extended full male center insert
KLK und KLG
Cylindrical extended full male center insert
KKH
Blunt male center insert/female center
KSH
Full male center insert with carbide
Set CK
Set RK
Set DK
