螺纹系列-GSTT - GESAC

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GST系列螺纹刀具

GSTT系列螺纹刀片采用精密研磨而成，具有高尺寸精度及表面质量；并搭配多种刀杆，特别适合于小零件的螺纹加工。

特点
应用
应用案例

Insert characteristics

GSTT-for thread turning of small parts;

♦ Sharp edge, large rake angle design, light and fast cutting, ensuresthe surface finishof the machined parts;

♦ Without edge width,small radiusdesign for better surface finish.

♦ Available55°and 60° general-purpose threading inserts, for thread turning of small parts

Coating grade

Provide special PVD grade for small part machining，Suitable for turning in steel, stainless steel, and other material.

PVD：GAT7115 GAT7125

Tool holder characteristics

GST-Tool holders for small part threading.

♦ Including GST and GST-RS series

♦ Height and width of Holder:10-10、12-12、16-16

Inserts：

Cutting Passes and Radial Infeed Recommendation Table

Thread type		spiral pitch	Ordering Code	Nose radius （RE）	Cutting depth （mm）	Total passes	1	2	3	4	5	6	7	8	9	10
Thread type		mm	Ordering Code	Nose radius （RE）	Cutting depth （mm）	Total passes	1	2	3	4	5	6	7	8	9	10
ISO Metric	External	0.20mm	GSTT 3R/L A/B6000	Max 0.05 Flat	0.15	4	0.06	0.04	0.03	0.02
		0.25mm			0.19	4	0.07	0.06	0.04	0.02
		0.30mm			0.23	4	0.08	0.07	0.06	0.02
		0.35mm			0.27	5	0.08	0.07	0.06	0.04	0.02
		0.40mm			0.30	5	0.10	0.08	0.06	0.04	0.02
		0.45mm			0.34	6	0.10	0.08	0.06	0.04	0.04	0.02
		0.50mm	GSTT 3R/L A/B6000		0.38	6	0.10	0.10	0.07	0.05	0.04	0.02
		0.50mm	GSTT 3R/L A/B60005	0.05	0.33	5	0.10	0.10	0.07	0.04	0.02
		0.60mm	GSTT 3R/L A/B6000	Max 0.05 Flat	0.45	7	0.10	0.10	0.08	0.06	0.05	0.04	0.02
		0.60mm	GSTT 3R/L A/B60005	0.05	0.40	6	0.10	0.10	0.08	0.06	0.04	0.02
		0.70mm	GSTT 3R/L A/B60005	0.05	0.48	6	0.10	0.10	0.10	0.10	0.06	0.02
		0.75mm		0.05	0.52	7	0.10	0.10	0.10	0.08	0.07	0.05	0.02
		0.80mm		0.05	0.56	7	0.10	0.10	0.10	0.10	0.08	0.06	0.02
		1.00mm	GSTT 3R/L A/B60005 GSTT 3R/L N6001	0.05	0.71	8	0.15	0.15	0.12	0.10	0.08	0.06	0.03	0.02
		1.00mm		0.10	0.66	7	0.18	0.15	0.12	0.10	0.06	0.03	0.02
		1.25mm		0.05	0.90	9	0.20	0.18	0.13	0.10	0.10	0.07	0.05	0.05	0.02
		1.25mm		0.10	0.85	8	0.20	0.18	0.13	0.10	0.10	0.07	0.05	0.02
		1.50mm	GSTT 3R/L N6001	0.10	1.04	10	0.20	0.18	0.14	0.12	0.10	0.10	0.08	0.05	0.05	0.02

Recommended Cutting Speed

ISO	Workpiece Material	Hardness (HB)	series	Grade	Cutting Speed Vc(m/min)
P	Steel	≤300	GSTT	GAT7115	120(60-180)
				GAT7125	90(40-150)
M	Stainless steel	≤300	GSTT	GAT7115	100(60-150)
				GAT7125	80(40-130)

Tool holders：

Provide various Tool holders，Including GST series and GST-RS back turning series。

No.	Holder series	Machining type	Fig	Remark
1	GST	Excircle machining
2	GST-RS	Excircle machining

GSTT cutting processing case(Pipe Joint)

Insert	GSTT3RN6001
Grade	GAT7115
Material	20#
Speed	48m/min
Feed	1.5mm/r
Depth	1.04mm
Cooling	Water-based emulsion/external cooling
Machining type	External thread turning

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