China Center Drive Cnc Lathe Factories - Center Drive lathe For Coupling – Oturn

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China Center Drive Cnc Lathe Factories - Center Drive lathe For Coupling – Oturn Detail:

Workpiece Processing Introduction

According to the customer’s products drawings,We recommend the SCK205S double-end CNC lathe, which clamps the outer circle of the coupling, and processes both the end surface and the external chamfer, the inner hole and the internal chamfer, and the internal thread (offset buckle) at the same time.Adopting API standards.

Part No.	Max.outer diameter(mm)	Length(mm)	Min.inner hole(mm)	Ladder buckle (in) (API standard)	Mark
Муфта ОТТМ102-Д	∮114	190	∮88.6	4
Муфта ОТТГ114-Д	∮127	205	∮99.5	4-1/2
127	∮141.3	210	∮110	5
140	∮153.7	218	∮130	5-1/2
146	∮166	218	∮139.35	5-3/4
168	∮187.7	225	∮151	6-5/8
178	∮194.5	234	∮158	7

Machine Feature

1.Machine structure and characteristics
■This machine adopts 450inclined bed layout, which has good rigidity and convenient chip removal.
■The headstock integrates the three components of the main shaft system, the fixture, and the clamping cylinder. The structure is compact and reliable, and the fixture is hydraulically clamped.
In order to meet the processing needs
of 4 “-7″ couplings, the solution:
Maximum clamping diameter: φ200mm,
The headstock width is 190mm.
■The clamp is a collet type, and an adjustment jaw is installed on the elastic chuck with a diameter of 2mm. The processing parts are replaced. When changing the clamping diameter, only the adjustment jaw can be replaced.
■According to the processing parts, multiple boring tools are required. To avoid tool interference, the turret is customized. The rotary diameter of the cutter head is large. In order to make the turret more rigid, the center of the turret is selected to be 125mm.
Suggestion: Choose one rough and fine boring cutter for machining end face, chamfer and inner hole;

1 eccentric buckle thread cutter for thread processing.
■The machine tool is equipped with a dual-channel control system. The two tool holders can be linked with the spindle at the same time or separately to complete the simultaneous or sequential processing of both ends of the part.
■Axial positioning of workpieces using positioning posts mounted on the cutter head.
■In order to process the deflection buckle at both ends of the coupling at the same time, minimize the number of passes.
The main motor power in this case is a 18.5 / 22kW wide area servo motor.

Specification

Item	Name		Unit	Specification	Mark
Process Range	Max.swing over the bed		mm	Φ550
	Max.swing over the slide			Φ350
	Max.clamping diameter			Φ200
	Processing length			Shaft 1000; Tube: 190-400
	Spindle speed		r/min	1200
Headstock	Headstock width		mm	190
	Spindle clamping specifications			Φ114-195（4 inch-7 inch）
	Spindle bore			φ200
	Spindle center to ground height			1150
Feed	Travel	X1/X2		150/150
		Z1/Z2		480/600
	Work forward	X/Z	mm/r	0.001～6
	Fast forward	X/Z	m/min	16
Tool	Drive method			Rotary servo, locking hydraulic
	capacity		station	Diameter of boring bar
	External tool square size		mm	Diameter of boring bar
	Diameter of boring bar			Φ50
Machine size			mm	4900×1850×1900
Machine weight	Net weight		Kg	6700
	Gross weight			7700

Main configurations

(●：standard； ★：Optional)

No.	Name	Specification	Qty.	Brand	Origin	Mark
1	Control system	FANUC 0i-TF	1Set	FANUC	Beijing	★
2	AC servo motor	X Axis/Z Axis：11Nm
3	Servo motor	18.5/22kW，307Nm
4	Spindle bearing		1Set	FAG	Germany	●
5	Servo tool holder	AK36125A-8	2Sets	YTUM	Yantai	●
6	Tool tray accessories	Boring tool holderΦ50； External tool holder□32×32	2Sets	YTUM	Yantai	★
7	Elastic chuck	With 2 specifications (based on customer needs)	1Set	Self-produced	Yinchuang	★
8	Adjusting claw	With 2 specifications (based on customer needs)	1Set	Self-produced	Yinchuang	★
9	Ball screw	X：4008；Z：4010	2Sets	Hiwin	Taiwan	●
10	Rolling guide		2Sets	Hiwin	Taiwan	●
11	Screw bearing		2Sets	NSK	Japan	●
12	Centralized lubrication		1Set	TTMN	Yongjia	●
13	Cooling pump		1Set	Domestic	China	●
14	Hydraulic system		1Set	YCCY	Yinchuang	●
15	Electrical components	ABB, Omron, etc.	1Set	Joint venture	China	●
16	Automatic chip remover		1Set	Yufeng	Yantai	●
17	Three-color light		1Set	Domestic	China	●
18	Random document		1Set	Self-produced	Yinchuang	●
19	Random attachment		1Set	Self-produced	Yinchuang	●

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