Bending Pressure Comparison Table For Free Bending

The given data has been calculated based upon bending material with a tensile strength of δb =420 MPa over a length of 1m.

 

V	6	8	10	12	16	18	20	24	32	35	40	50	60	63	80	100	120	130	140	150	160	180	190	200	230	260
b	4.5	5	7	8.5	12	13	15	17	23	25	28	35	43	45	57	71	85	92	100	105	115	130	135	140	160	180
r	1	1.2	1.6	2	2.5	2.8	3	3.5	5	5.5	6	8	9.5	10	12	15.5	19	21	23	24.5	26	28	30	32	36	40
0.5	2.5
0.8	7	4.8
1.0	11	8	6
1.2		12	9	7
1.5			15	12	8
2.0				23	16	13	12	9.5
2.5					26	22	20	15	11
3.0							30	24	16	14	12
4.0								44	31	28	23	18
5.0									53	47	43	31	25
6.0											61	45	36	34
8.0												88	69	65	47	36
10														110	80	60	47	43	39
12															120	90	71	65	58	55	50
16																	140	125	115	105	95	81	80	71
18																			148	135	125	110	100	95	80
20																						140	130	120	110	90

 

The internal radius R corresponds to approximate 16% of the die opening V

 

Recommended die opening V for air bending

Material thickness t	0.5~2.5mm	3~8mm	9~10mm	>12mm
/ Die opening V	6 × t	8 × t	10 × t	12 × t

 

Bending force for

Alu	δb =300 MPa	F=F(chart)× 0.65
S.S	δb =700 MPa	F=F(chart)× 1.6

 

Determination of the bending force for air bending (approximation)

F(chart)= 65 × t²/ V (Ton)

 

Upper tool clamping

Ordinary inclined wedge clamp	Heavy-duty inclined wedge clamp
------------------------------------	----------------------------------------

Used for the installation of European upper modules between 50t~220t            Practical for the installation of European upper mode above 220t

Mechanical quick clamp	American clamping
------------------------------------	----------------------------------------

Fast clip can facilitate the rapid installation of the European upper mode              Suitable for American mold installation

 

Common upper mold clamp form

Upper tool clamping

  

The transition mold handle is clamped	Transition join block
---------------------------------	------------------------------

Suitable for the installation of large-stroke machine tools                       Installation for slider

YAWEI upper mode hydraulic clamping WILA upper mode hydraulic clamping type
------------------------------------	-------------------------------------------------------

Quick installation NSCL Ⅱ with Top with Safety Click for upper mode

Common lower mode clamp form

Dies tool clamping   

1V slot 1V slot 2V adjustable
-------------------------------------------------------

Mould shoulder force        The bottom of the mold is stressed     The lower mold can be adjusted front and rear

 

2V fast switch multiple V slot segment
------------------------------------	----------------------------------------

The lower mold can be replaced quickly                              Suitable for segmented multi-V lower modules

Common lower mode clamp form

Dies tool clamping

Multi-V workbench lower plug-i
------------------------------------	--------------------------------------------------------

Suitable for the overall multi-V mold mouth can be graded, for large tonnage bending machine

YAWEI lower mode hydraulic clamp hydraulic clamp workbench
------------------------------------	------------------------------------

For 1V lower mode quick installation of NSCR Ⅱ with OZU bottom tool

Standard upper mode

Standard upper tools

Upper mold handle structure / Upper tool fixtures

Standard European / EUROPEAN STYLE TOOLING Enhanced Euro / EUROPEAN STYLE TOOLING
------------------------------------------------------	----------------------------------------------
American / AMERICAN STYLE PREMIUM TOOLING Large-tonnage transition mold handle
------------------------------------------------------	------------------------------------------------------
Standard segment method / Aegmentatioon of upper tool
---------------------------------------------------------------------------------

Standard upper mode 85 °

Standard upper tools

 

10.100	10.101	10.102
----------------------	----------------------	----------------------
Max Tons:100t/m Max Tons:80t/m Max Tons:60t/
10.103	10.104	10.105
----------------------	----------------------	----------------------
Max Tons:80t/m Max Tons:100t/m Max Tons:80t/m
10.106	10.107	10.108
----------------------	----------------------	----------------------
Max Tons:50t/m Max Tons:50t/m Max Tons:100t/m

Standard upper mode 85 °

Standard upper tools

10.109	10.110	10.111
----------------------	----------------------	----------------------
Max Tons:80t/m Max Tons:40t/m Max Tons:80t/m
10.112	10.113	10.114
----------------------	----------------------	----------------------
Max Tons:70t/m Max Tons:40t/m Max Tons:50t/m
10.115	10.116	10.117
----------------------	----------------------	----------------------
Max Tons:100t/m Max Tons:60t/m Max Tons:45t/m

Standard upper mode 85 °

Standard upper tools

10.118	10.119	10.120
----------------------------	--------------------------	--------------------------
Max Tons:80t/m Max Tons:80t/m Max Tons:50t/m

 

Standard upper mode 88 °

Standard upper tools

10.130	10.131	10.132
----------------------	----------------------	----------------------
Max Tons:100t/m Max Tons:80t/m Max Tons:60t/m
10.133	10.134	10.135
----------------------	----------------------	----------------------
Max Tons:100t/m Max Tons:50t/m Max Tons:20t/m

 

Standard upper mode 88 °

Standard upper tools

10.136	10.137	10.138
-----------------------------	-----------------------------	----------------------------
Max Tons:80t/m Max Tons:45t/m Max Tons:20t/m
10.139	10.140	10.141
-----------------------------	------------------------------	-----------------------------
Max Tons:70t/m Max Tons:50t/m Max Tons:50t/m
10.142	10.143	10.144
----------------------------	------------------------------	-----------------------------
Max Tons:30t/m Max Tons:20t/m Max Tons:50t/m

 

Standard upper model 90 °

Standard upper tools

10.150	10.151	10.152
------------------------------	------------------------------	----------------------------
Max Tons:100t/m Max Tons:35t/m Max Tons:80t/m
10.153	10.154	10.155
------------------------------	------------------------------	-----------------------------
Max Tons:80t/m Max Tons:20t/m Max Tons:60t/m
10.156	10.157	10.158
------------------------------	------------------------------	-----------------------------
Max Tons:60t/m Max Tons:20t/m Max Tons:50t/m

 

Standard upper mode 60 °

Standard upper tools

10.170	10.171	10.172
------------------------------	------------------------------	----------------------------
Max Tons:80t/m Max Tons:80t/m Max Tons:70t/m
10.173	10.174	10.175
------------------------------	------------------------------	-----------------------------
Max Tons:100t/m Max Tons:100t/m Max Tons:60t/m
10.176	10.177	10.178
------------------------------	------------------------------	-----------------------------
Max Tons:160t/m Max Tons:60t/m Max Tons:40t/m

 

Standard upper mode 30 °

Standard upper tools

10.190	10.191	10.192
------------------------------	------------------------------	----------------------------
Max Tons:80t/m Max Tons:80t/m Max Tons:90t/m
10.193	10.194	10.195
------------------------------	------------------------------	-----------------------------
Max Tons:70t/m Max Tons:100t/m Max Tons:100t/m
10.196	10.197	10.198
------------------------------	------------------------------	-----------------------------
Max Tons:80t/m Max Tons:160t/m Max Tons:70t/m

Standard type R type round mode

Standard upper tools

10.210	10.211	10.212
------------------------------	------------------------------	----------------------------
Max Tons:100t/m Max Tons:100t/m Max Tons:80t/m
10.213	10.214	10.215
------------------------------	------------------------------	-----------------------------
Max Tons:80t/m Max Tons:80t/m Max Tons:80t/m
10.216	10.217	10.218
------------------------------	------------------------------	-----------------------------
Max Tons:80t/m Max Tons:80t/m Max Tons:80t/m

 

Standard type R type round mode

Standard upper tools

10.219	10.220	10.221
------------------------------	------------------------------	----------------------------
Max Tons:80t/m Max Tons:80t/m Max Tons:80t/m
10.222
------------------------------                                      ------------------------------------------------------------------------------
Max Tons:80t/m
10.230
------------------------------                                     -----------------------------------------------
Max Tons:80t/m

		Rmm		Rmm
10.231	R3	3	R5.5	5.5
10.232	R3.5	3.5	R6	6
10.233	R4	4	R6.5	6.5
10.234	R4.5	4.5	R7	7
10.235	R5	5	R7.5	7.5