Warranty:	500000 Punch Shots
แอปพลิเคชัน:	Euromac Punch Machine
วัสดุ:	เหล็กความเร็วสูง
วิธีการประมวลผล:	การเจาะและการเฉือนโมลด์
เทคนิค:	การขึ้นรูปแม่พิมพ์
การผสมผสานกระบวนการ:	โปรเกรสซีฟดาย

1.Available Turret Punch Machines Brand
Amada, Baykal, Ermaksann, Durmazlar, Bystronic, Gasparini, Haco,Imal, LVD Ivan, LVD, Mecos, Megobal, Trumpf-Punch Machine,Salvagnini, Safan, Murata (Wiedemann), Tailift,Yawei, Yangli, JFY, YSD, etc...
2.LEJIA Tooling Advantages
Taking into consideration our clients wishes, every day we work to satisfy our clients' needs, to increase our product list and tools quality. √ We produce our punch tooling from high speed steel M2(SKD), D2,(SKH).working surfaces are preciously grounded, standard will be whole body Total Hardening, the hardness can reach HRC61-63. √ we have we have more than 20years experience in punch tooling manufacturing. √ Our punch tooling factory total have 300 people, total have around 310 sets processing machines for punch tooling. most processing machines are from Japan and Europen; √ The tolerance for the punch is 0,+0.01mm√ Every special punch forming tooling will be tested by our punch machines and have the test samples before sending to our clients.
3.LIFE COUNTERMEASURE FOR TOOLING
TIN / TICN coating PROCESSING
NARROW PUNCH There is a punch type such as narrow type, open end type, super narrow type etc. which made it difficult to break by shortening the effective punch length and increasing the strength of the punch
THICK PLATE PROCESSING A tool that provide taper relief on the punch and reduce seizure and contact with the material.
OTHER LIFE COUNTERMEASURES -.Check for misalignment of turret station and wear of turret key etc. -.Combined use with tools for slug pulling measures. -.Implementation of early regrinding. -. Put a small rounding on the corner of Square / Rectangle punch. As life countermeasures of the tool, it is recommended to select a tool that is acceptable for the processing conditions such as the quality and thickness of material.

4. MATERIAL FOR TOOLING
Selection of tool material (Type of material) is very important in terms of the quality of the processed product and the tool life (processing cost). This time, we summarized the typical material for tooling.
We use the following material for punch body. D2 (SKD) , M2 (SKH)
We use the following material for die. Improved D2 , M2(SKH)

5. REFERENCE APPROPRIATE CLEARANCE Clearance = material thickness x clearance ratio
Material	Clearance ratio		Tensile Strength (N/mm²)
	Servo-Hydraulic Machine	Mechanical Machine
Mild Steel(Cold Roll)	0.2-0.25	0.15	More than 270
Mild Steel(Hot Roll)
Stainless(Hard)	0.25-0.3	0.2	More than 520
Stainless(Soft)			More than 450
Aluminum(Soft)	0.15-0.2	0.1	More than 95
Aluminum(Hard)			More than 215
Copper	0.2-0.25	0.15	More than 275
Brass	0.2-0.3	0.2	More than 410
High Tensile Steel			More than 590
-.The shear resistance should be about 80% of the tensile strength as a guide. -. Please multiply x 1.4 to the calculation result in case of more than 3.2mm thickness. -. Please calculate based on the number of shear resistance and Tensile strength for the material which is unspecified on the left table. -. If there is a workpiece, please actually perform punching and purchase the appropriate clearance referring to the table below. -. The minimum clearance is depends on machine specifications. Please also check the machine specifications.

6. PARTS NAME OF STANDARD TOOLING
THICK TURRET TOOLING	1. PUNCH BODY, DIE It punched out workpiece at punch and die.
	2. STRIPPER A part that holds the workpiece during processing. After processing, the punch edge is pulled out from the workpiece at this part.
	3. GUIDE Insert this part into the turret and hold and guide the punch body.
	4. HEAD Part that receives the force of the striker directly and conveys it to the driver and the punch body. In case of the small diameter tool, rotate it to adjust the punch length.
	5. SPRING Hold the workpiece during processing and pull the punch edge away from the work after processing. Use coil spring, urethane spring, disc spring and so on.
	6. DRIVER The part to attach the punch body. Also, add a shim between the driver and the punch and adjust the punch length. In the case of Protech , adjustment is possible without shims.
	7. RETAINER Guide would be attached in this part. It also serves to hold the spring
	8. SPRING CANISTER A combination of head, spring and retainer collar. It is possible to adjust the length of the tool without tools.
MURATA TYPE TOOLING	1.PUNCH HOLDER Hold the punch body. Top of Holder would be connected directly to Press Ram
	2.BODY It is inserted into the turret and serves as a guide for the punch holder
	3.KEY Position the turret and the holder. It also serves to hold the tool in place when attached to the turret.

7. CALCULATION FORMULAS FREQUENTLY USED IN SHEET METAL
TONNAGE CALCULATION In the punch press machine, the allowable tonnage depending on the machine. Use the calculation formula below to prevent from over tonnage.

CALCULATING PRE-HOLE DIMENSION FOR FORMING
When forming processing, pre-holes may be processed as pre-processing. In that case, please calculate pre-holes referring to the following calculation formula

ADVICE ON ONE POINT: Although forming shape is same, pre-hole dimension would be different depending on material. It is recommended that you try trial machining with reference to the above equation to obtain proper pre-hole dimension.

Punch Tools, Punching Tools, Punching Tooling, Thick Turret Ultra B Station Complete Set Used in Punching Machines

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